f uc-nrlf handbook of the...guncaisson,modelof1902,inhandbook1659beingused. the followingparagraphs...
TRANSCRIPT
U FUC-NRLF
GIFT OF
No. 1773
HANDBOOK OF THE
8-INCH GUN MATERIEL
(ELEVEN PLATES)
JANUARY 19, 1917
WASHINGTONGOVERNMENT PRINTING OFFICE
1917
No. 1773
HANDBOOK OF THEi
3.8-INCH GUN MATERIEL
(ELEVEN PLATES)
JANUARY 19, 1917
WASHINGTONGOVERNMENT PRINTING OFFICE
1917
111
WAR DEPARTMENT,OFFICE OF THE CHIEF OF ORDNANCE.
Washington, January 19, 1917.
This manual is published for the information and government of the Regular
Army and National Guard of the United States.
By order of the Secretary of War:WILLIAM CROZIER,
Brigadier General, Chief of Ordnance.
(3)
362104
CONTENTS.
Page.
List of plates. ,6
List of equipment 7
Gun . description 9
Gun, weights, dimensions, etc 9
Range table, service table for shell and shrapnel 10
Ammunition 12
( 'art ridge case 12
Propelling charge 12
Projectiles 12
( Common steel shell 12
( 'ommon shrapnel 13
Fuxes 13
F. A. combination 13
A llowance of ammunition .". 13
Blank ammunition 14
The charge 14
Preparation of blank metallic ammunition 14
Flash targets 14
Drill cartridge 14
Fuze setter, hand, model of 1913 14
Operation 15
Fuze setter, hand,old model 15
Adjustment 16
Adaptability to other guns"
16
Carriage 17
Weights, dimensions, etc 17
Nomenclature of parts 17
Description 23
Adjustment of sights 26
Verification of parallelism of lines of sight and axis of bore 26
Limber. . . . .- 26
Weights, dimensions, etc 26
Nomenclature of parts 27
Description 29
Caisson 30
Weights, dimensions, etc 30
Nomenclature of parts 30
Description 33
Forge limber 33
Battery wagon 33
Store limber 33
Store wagon 33
Repairs for Field Artillery materiel issued to the United States Army and the
National Guard 34
Method of loading one 3.8-inch gun battery for transportation by rail 34
Total equipment of a field battery, together with expendable supplies 36
Index 51
(5)
LIST OF PLATES.
Plate. Faces page.
I. 3.8-inch gun, model of 1907, breech mechanism 9
II. Shell, shrapnel, and cartridge case 12
III. 31-second combination fuze 13
IV. Hand fuze setters 15
V. 3.8-inch gun carriage, model of 1904, left side elevation 17
VI. 3.8-inch gun carriage, model of 1904, plan view 22
VII. 3.8-inch gun carriage, model of 1904, longitudinal section 23
VIII. 3.8-inch gun Umber, model of 1904, front views 29
IX. 3.8-inch gun limber, model of 1904, rear views 30
X. 3.8-inch gun caisson, model of 1904, side view 32
XI. 3.8-inch gun caisson, model of 1904, rear view 33
(6)
LIST OF EQUIPMENT PERTAINING TO ONE 3.8-INCH GUN BATTERY ON WAR FOOTING.
Xo.
.
5i
HANDBOOK OF THE 3.8-INCH GUN MATERIEL
Tlie 3.8-incli Field Gun, Model of 1907.
This pamphlet, together with O. O. Form No. 1659 (3-inch gun
materiel), will be used for the 3.8-inch field gun, model of 1907.
As the 3.8-inch field gun and its mechanism is practically identical
with the 3-inch field gun, model of 1905, the information givenin that pamphlet is equally applicable to the 3.8-inch gun. The
differences are in the sizes of the pieces, types of extractors, and
methods of firing, which are clearly shown in Plate I of thishandbook*
WEIGHTS, DIMENSIONS, AND GENERAL INFORMATION.
Weight pounds. . 1, 535
Caliber inches. . 3. 8
Total length do 111. 25
Length of bore do 10L
Length of rifled portion of bore do 91. 4'.
Number of grooves 3i
Width of grooves inches. . 0. 2111
Depth of grooves do 0. 03
Width of lands do 0.1',
Twist right hand increasing 1 turn in fifty (50) at origin to 1 turn in twenty-five (25) at 13.47 inches from muzzle, thence uniform to muzzle.
Weight of projectile, filled and fuzed pounds. . 30
Weight of powder charge ounces. . 48
Weight of cartridge case pounds. . 4.7
Capacity of cartridge case cubic inches . . 142. 6
Muzzle velocity feet per second . . 1, 700
Travel of projectile .inches. . 93. 73
Maximum pressure per square inch pounds. . 33, 000
Range at 18 elevation yards. . 8, 000
(9)7781017 2
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12
AMMUNITION.
[Plate II.]
Fixed ammunition is used in the 3.8-inch gun and is made up of
either common shrapnel or common steel shell. The ammunition as
made up varies slightly in length with the type of projectile used.
The ammunition chests of the battery are of sufficient size to take
either kind of ammunition furnished, so that the quantity of each
class of ammunition to be carried is a matter to be regulated byproper authority. All fixed ammunition for the 3.8-inch gun is
issued filled and fuzed. The weight of the projectile is 30 poundsand the total weight of the fixed ammunition, either shrapnel or
shell, is 37.78 pounds.A cast-iron shell has been designed having the same center of
gravity and exterior dimensions as the common steel shell. This is
used for proof and range firing only;
THE CARTRIDGE CASE.
[Plate II.]
The cartridge case is a solid drawn case of cartridge brass havinga capacity of approximately 142.6 cubic inches. The weight of the
cartridge case with the 110-grain percussion primer is 4.78 pounds.The base of the cartridge case is stamped with the name of the
gun, initials of the place of manufacture, and the year of manufacture.
The ammunition lot number is also stamped on the base of the
cartridge case. A circular groove cut hi the base of the cartridge case
is painted yellow to indicate common shrapnel and black to indicate
common steel shell, i. e., high explosive shell.
THE PROPELLING CHARGE.
The propelling charge is composed of nitrocellulose powder, the
granulation being cylindrical and having seven longitudinal perfora-
tions. The weight of the propelling charge varies slightly for differ-
ent lots of powder and weighs approximately 48 ounces.
Smokeless powder must not be used for blank charges. For this
purpose, the Ordnance Department furnishes a special powder.
PROJECTILES.
COMMON STEEL SHELL.
[Plate II.]
The common steel shell contains a bursting charge of 3.24 poundsof trinitrotoluol. The weight of the shell with the bursting charge,
fuze, and base cover is 30 pounds with a small tolerance either way.
COVER GROOVE & CBUfHfMHKROTATING BAND.
BASEDETONATING FUZE-MEDIUM CALIBER. PLATEH
\-BASE COI/E:R.
COMMON STEEL SHELL MODEL Of I9OS-
STEEL DIAPHRAGM;
L HEAP.
SECOND COMBINATION FUZE.
COVER.
LOOSEBLACK POWDER^ ^ROTATING BAND.
Nfc
13
COMMON SHRAPNEL.
[Plate II.]
The shrapnel is a base charged common shrapnel fitted with a
31-second combination fuze. The shrapnel filling is composed of
369 balls, each approximately 230 grains in weight. The balls are
approximately 0.54 inch in diameter. The interstices contain a
smoke-producing matrix.
All shrapnel ammunition is issued fuzed all ready for use and pro-
vided with a waterproof hood over the fuze to exclude moisture.
FRANKFORD ARSENAL COMBINATION FUZE, 31-SEC. MODEL OF 1907 M.
[Plate III.]
This fuze consists of the following paris, assembled as shown in the
drawing :
a Body, bronze. j Compressed-powder pellet in vent lead-
b Closing cap, brass. ing to lower time train.
b l Vents in closing cap. j1
Compressed-powder pellet in lower
62 Safety-wire. time-train vent.
c Upper time-train ring, Tobin bronze. k Lower time train, compressed powder.c1 Washer for time-train ring, graduated, I Brass disk, crimped in place.
felt cloth. m Compressed-powder pellet in vent o.
d Time - train ring, graduated, Tobin yent leading to magazine.bronze. p Powder magazine.
dl Washer for body, felt cloth ._ q Percussion plunger.d? Rotating pin, brass. r Percussion primer..
e Concussion plunger. s Vents leading from percussion primer to
e l Concussion-resistance ring, brass. magazine./ I iring pin, brass. u Bottom closing screw, brass.
g Vent leading to upper time train. v Washer for closing screw, muslin.
h Compressed-powder pellet. w Washer for closing screw, brass.
i Upper time train, compressed powder. x Pins, brass.
The action of this fuze is similar to that of the 21-second fuze usedwith the 3-inch field gun. The principal difference is in the lengthof the time train, and graduations of the time-train ring.
ALLOWANCE OF AMMUNITION.
Shell and shrapnel ammunition is issued by the Ordnance Depart-ment in moisture-proof zinc-lined wooden packing boxes, two rounds
per box.
The annual allowance of ammunition for the instruction of field
artillery is prescribed from time to time in War Department orders.
14
BLANK AMMUNITION
Blank metallic ammunition consists of the following components:A brass cartridge case, a percussion primer, a charge of black
powder, and a tight-fitting felt wad.
THE CHARGE.
The charge to be used in the preparation of blank metallic ammuni-tion for the 3.8-inch gun is 1.75 pounds of saluting powder.
PREPARATION OP BLANK METALLIC AMMUNITION.
Blank metallic ammunition will be assembled at posts, the sameas for 3-inch field guns, or in the field under the supervision of a
commissioned officer, who will be held responsible that it is preparedin the manner prescribed.
FLASH TARGETS.
Flash-target apparatus is issued for use with the 3.8-inch gun as
well as other targets. For detailed information hi this connection,see Ordnance pamphlet No. 1994.
3.8-INCH GUN DRILL CARTRIDGE.
The drill cartridge is a dummy cartridge for use in drilling can-
noneers in the service of the gun.The principal parts are, wood body, bronze base, body guard, split
pin, graduated ring, point nut, and bolt extending through the entire
length.It is the shape of the service shrapnel ammunition and is fitted at
the point with a movable ring, graduated the same as the ring
upon the F. A. 31-second combination fuze. This arrangement is
for the instruction of the cannoneers in fuze setting. No caliber .30
subcaliber cartridge is to be used in the 3.8-inch field gun.There has been developed a 1.457-inch subcaliber gun for use in
mobile guns and howitzers when fitted with its proper adaptors.This gun is to fire a 1.7-pound smoke shell.
THE HAND FUZE SETTER MODEL OF 1913.
[Plate IV.]
DESCRIPTION.
The fuze setter is a device provided for the rapid and accurate
setting of fuzes.
The hand fuze setter provided for the 3.8-inch gun consists princi-
pally of an aluminum case having a serrated rim forming a handle
for turning; a range ring mounted on the range-ring carrier, which
is operated by the knob on the range worm ;a corrector scale mounted
on the corrector-scale support, which is operated by the knob on the
corrector worm, and a guide plate which rests on the projectile.
A slot is cut in the range-ring carrier which engages with the pinon the graduated time-train ring of the fuze. A stop pin is attached
to the corrector-scale support and engages with the stop pin of the
fuze to limit the motion of the fuze setter.
The range worm and corrector worm are mounted eccentrically in
the range -woim case and the corrector-worm case. Upon rotation
this provides an adjustment to accommodate slight variations in
machine operations and to take up for wear between the teeth of the
worms and gears.The range-worm adjusting screw and the corrector-worm adjusting
screw have fiber washers fitted in the end which bear on the collar
of the range and corrector worms for taking up the end motion andto provide sufficient friction to resist accidental turning.
Clamp plugs are provided for locking the range and corrector-worm
cases and the range worm and corrector worm adjusting screws.
OPERATION.
Turn the knob of the corrector worm until the index on the case
registers with the line on the corrector scale, which indicates the
desired correction for height of burst.
To set a fuze, remove the waterproof cap and safety wire. Place
the hand fuze setter over the fuze and turn until the slot in the range-
ring carrier engages with the pin on the graduated time-train ring of
the fuze; the base plate and the upper part of the range-ring carrier
will then bear firmly on the projectile; then turn the fuze setter in a
clockwise direction as indicated by the arrow on the top of the case
until the stop pin on the corrector-scale support engages with the
stop pin on the fuze, and further motion is prevented.An index to register with a line on the fuze to indicate when the
stop pin on the fuze and fuze setter are in contact is attached to the
corrector scale.
HAND FUZE SETTER.
[Plate IV.]
OLD MODEL.
This hand fuze setter consists of the following principal parts:
Range-ring carrier, base, case, range ring, corrector scale, plunger,
plunger spring, clamping shoe, and clamp screw.
On the top of the base is mounted the range-ring carrier to whichis secured by four screws the graduated range ring. On the interior
16
conical surface of the carrier is cut a notch, which engages the fixed
pin of the graduated time-train ring of the fuze.
The range-ring carrier is loosely mounted on top of the base andis held in place by means of the case in such manner that it can be
freely revolved so that the desired relation between the time train-
ring notch cut therein and the fixed plunger in the base may be
readily obtained for the desired setting of the fuze.
In the case which is securely fixed to the base is fitted a clamp-ing screw and shoe, by means of which the range-ring carrier with its
graduated range ring may be securely clamped. On the top surface
of the case is fitted the corrector scale; this is held in place by twoscrews. If after a setting has been made for a given range it is foundthat the shrapnel does not burst at the desired point in its trajectory,the clamping screw is released and the range-ring carrier is revolved
forward or backward as desired until the graduation mark on the
range ring comes opposite the proper graduation mark on the cor-
rector scale. For making the adjustment for different heights of
burst, the corrector scale has been graduated and fitted to the case in
such manner that if a lower point of burst is desired the range gradua-tion on the range ring should be set to one of the lesser graduationmarks on the corrector scale, and if a higher point of burst is desired,
then the graduation on the range ring should be set to one of the
higher graduations on the corrector scale.
ADJUSTMENT.
As the parts are adjusted by the manufacturer before issue and
ample provision made for lubricating the parts by filling the interior
of the case with a heavy grease, there should be but little need for
adjustment for a long time.
Two oil holes closed by screws are provided in the case for emer-
gency use only.
Reference marks are placed on the case and worm cases to indicate
the normal adjustment.
ADAPTABILITY TO OTHER GUNS.
This fuze setter is adaptable to all projectiles using the 31-second
combination fuze by using suitable range ring, corrector scale, guide
plate, and index bar. The corrector scale fov guns has 60 gradua-
tions, 30 being the normal. The range ring for guns has but one
scale graduated thereon. The index bar for guns has a fixed pro-
jecting arm on which the index is engraved. The guide plates are
suitably marked for the projectile to which they ,re fitted. The
range rings and corrector scales are marked wi t h the name of gun.
17
The 3.8-inch Gun Carriage, Model of 1904.
WEIGHTS, PRINCIPAL DIMENSIONS, ETC.
Weight of carriage, complete pounds. .
Weight of gun and carriage, complete do
Weight at end of trail, carriage limbered do. . .
Diameter of wheels inches .
Width of track do. . .
Length of recoil of gun on carriage do. . .
Height of axis of gun do
Height of line of peep sight do
Length of peep sight radius do
Maximum angle of elevation degrees.
Maximum angle of depression do
Amount of traverse of gun on carriage mils.
2,337
3,875195
58
60
58.5
44.567
47. 068
36.75
15.5
5
106
Nomenclature of parts of carriage (complete) .
No. Name of part. Location.
Propertyclassifica-
tion.
ClassSec-tion.
AxleTrail, consisting of
Flasks (right and left)Axle bearings (right and left)Axle bushing, rightAxle bushing, left
Axle-bearing bolts
Elevating gear transomConsisting of
Transom, front
Transom, rearTransom bearingsElevating gear cross transomsTransom, intermediateBolts for elevating gear tran-som.
Tool boxConsisting of
Tool box transom, frontTool box transom, rearTool box bottomTool box lid
Tool box coverTool box fastening
Consisting of
HandleHandle lugsHandle springsHinge, maleHinge, femaleHandle guide rivetHandle stop rivetLock eye
Rear sight box bottomRear sight shank packing No. 1
Rear sight shank packing No. 2Rear sight shank packing No. 3Rear sight shank packing No. 4
Rear sight shank packing No. 5Lock chain rivet with chainCarriage bolts with nuts and washers..Wheel guard transom
Form right and left side of trail
Riveted to front ends of flasks. . .
In right axle bearing .
In left axle bearing.. .
Clamp bearings to axle.Riveted between flasks .
Forms front of elevating gear transomForms rear of elevating gear transomIn cross transomsBetween front and rear transomsRiveted between flasksHold cross transoms in place
Riveted between flasks.
.do.
.do.Tool box in trail
Hinged to tool box coverForms top of tool boxFastened to lid and rear transom. IV
At rear of tool box lid
Riveted to rear tool box transomRiveted to tool box coverRiveted to tool box lid
Riveted to tool box coverRiveted to tool box lid. . .
.do
SpadeSpade edge....FloatFloat brace . . .
7781017 3
Riveted to trail coverForms bottom of rear sight boxFastened to rear sight box bottomFastened to rear sight box coverFastened to rear sight box bottomFastened to rear sight box coverFastened to rear sight box bottomRiveted to left flask2 for packing No. 3; 2 for packing No. 5. . .
Riveted between flasks at rear end of rear
sight box.Riveted to ends of flasksRiveted to face of spadeRiveted to spade and flasksRiveted to bottom fctailand float . . .
Nomenclature of parts of carnage (complete) Continued.
Name of part Location.
Propertyclassifica-
tion.
Ilass.tion.
Trail, consisting of Continued.Lunette bracket
Handspike fasteningWheel guardsTrail brace, rightTrail brace, left
Trail cover
Trail handle, right .
Trail handle, left...
Seat bracket, right.Seat bracket, left...
Riveted to float
Riveted to top of float
Riveted to flasks and wheel guard transom.Right flask to right seat axle bracketLeft flask to left seat axle bracketRiveted to flasks and front tool box tran-som.
Riveted on float and spade...do...
Elevating and traversing lock, consist-
ing of
Cradle lock bracket ..................Hook ................................Hook center .........................Link .................................Link pins ............................Cradle lock spring..... ...............Cradle lock pin.......................Long spring pins .....................Cradle lock bracket pin ..............
Sponge staff socket.......................
Sponge staff stop .........................
Sponge fastening .........................
Consisting of
Hasp ............................Bolt ................ .............
Twisted coil chain ...............Pin ..............................
Name plate ..............................
Handspike ...............................
Handspike bolt ..........................
Handspike bracket .......................
Handspike fastening .....................
Handspike fastening spring ..............Lunette with nut ........................Padlock..................................Bolt snap ................................Padlock chain rivet ......................
Cradle, consisting of
Angle, right ..........................
Angle, left ...........................Cradle body ..........................Cradle rear end ......................Cradle reinforce plate ................Cradle washer........................Guide liner, right ....................Guide liner, left ......................Cradle top plate......................Cradle head ..........................
Consisting of
Special screw ................Cradle head stop .............Cradle head stop plug ........
Cradle head stop spring ......
Bushing .......................
Retaining-ring pinPintleOil tubesCradle-lock lugBracket seat, firiing handleRecoil-indicator guideQuadrant fasteningShoulder-guard fasteningsShoulder-guard clipShoulder-guard braceRear-sieht bracket supportFront-sight bracket supportRetaining-rin? bolt fasteningsSpring-support guide, right
Spring-support guide, left
Retaining-ring bolts with nuts
Retaining-ring bolt pins
Riveted to right flask...Riveted to left flask
Riveted to seat brackets .
Riveted to elevating gear transom, rear.Pinned to cradle lock bracketRiveted to hookPinned to hook centerFor linkPinned to bracket and linkPins hook and hook center to bracket . .
1 for spring; 1 for spring stopRiveted in bracket for spring stopRiveted to right flask
...do....do.
Pinned to fastening .
On spoiAttached to bolt .
On sponge fasteningRiveted on top of tool box cover .
Carried on trail coverSecures handspike to fulcrum . . .
Riveted to float
On trail coverHolds fastening to trail coverIn lunette bracketFastened to chain on left flask...
.do.For securing chain to left flask.
Riveted to right side of bodyRiveted to left side of bodyBelow gunRiveted to bodyRiveted to rear endBetween rear end and reinforce plate.Riveted to body and top plate
do.Riveted to angles and body .
In retaining ring
In cradle head . . .
In retaining ring .
....do...do...In cradle headIn retaining ringRiveted to cradle bodyIn pintleRiveted to cradle body near rear end.Riveted to cradle bodyRiveted on right side of body
.do.Riveted on left side of body
doSecures shoulder guard to cradle.
Riveted on left side of body
Riveted to cradle body.Riveted inside cradle. .
....doIn bolt fastenings...do
IV
1!)
Nomenclature of parts of carri'i'js (complete} Continue;!.
Name of part. .Location.
Propertyclassifica-
tion.
Class.Sec-tion.
Shoulder guardShoulder-guard pinShoulder-guard bushingDust guardCradle brush
Consisting of
Brush plate Part of cradle brushRear f?lt plate doFront f ?lt plate do
Recoil indicator In indicator guide. .
On rear end of cradleSecures shoulder guard to cradle.Braced in shoulder guardOn cradle guide linersRiveted to dust guard
Consisting of
SpringSlide ,
Recoil-indicator throwRecoil-indicator pointerRecoil-indicator hinge pinR ecoil-indicator hingeFiring mechanism, consisting of
Firing-shaft bracketFiring shaft
Firing-handle hubFiring handle
Consisting of
PlunderSpringFiring-shaft bracket pin
Shaft-trip col lar
Trip latch
Trip-latch plungerTrip-latch springTrip-latch pinTrip-collar pinHandle-return springShaft-return springAdjusting screwAdjusting-screw check nutBracket studs and nuts
CylinderCylinder-end stud
Cylinder-end stud nutScrew for cylinder endCounter-recoil buffer
Cylinder headCylinder-head screw eyesCylinder-head washerGlandStirrupFront-spring supportRear-spring supportOuter counter-recoil springsInner counter-recoil springs .-
Spring separators, inner
Spring separators, outer
Cylinder supportRings, packing
PistonPiston rodPiston-rod plugPiston-rod nutFilling plug with gasketVent plugVent-plug washerPiston-retaining screwsPiston-rod plug pinRocker, consisting of
Pintle socketPintle bushingRocker barsPintle-socket front clip linerPintle-socket rear clip linerPinth-socket side clip liner, rightPintle-socket side clip liner, left
Traversing plate liner pinTraversing plateTraversing-plate liner
Riveted to slide
Attached to hinge .........Riveted to indicator slide.For hinge .................Riveted to dust guard ____
Bolted to bracket seatIn bracketOn end of firing shaftAssembled to firing-handle hub
In handle....doIn bracketOn end of firine shaftSecured to trip-latch plungerIn firing-handle hubOn trip-latch plungerSecures trip latchFastens trip collar on shaftFront end of bracketRear end of bracketIn bracketOn adjusting screwFor attaching bracketIn cradleConnects cylinder to gunOn cylinder-end studPrevents cylinder end from unscrewing. ..
Screwed and pinned on cylinder-end stud. .
Front end of cylinderCylinder headIn cyl inder headScrewed on headInside of cradleFront end of stirrupRear end of stirrupOutside of stirrupInside of stirrupSeparate imnr springs .
Separate outer springsInside of front end of stirrupGarlock hydraulic waterproof, 0.25 inchsquare.
At rear end of piston rodIn cylinder
doAt front end of piston rodScrewed in end of piston rodIn cylinder head
doSecure piston to rodFastens plug in piston rod
On axle
Upper surface of socketFrom pintle socket to traversing clipRiveted to front clipRiveted to rear clipRiveted to ri^ht-side clipRiveted to l3ft-side clip
Supports ons end of liner
R iveted to cradle bodyPinned and screwed to traversing plate
IV
Nomenclature of parts of carriage (complete} Continued.
Name of part.
Rocker, consisting of Continued.Azimuth pointerDowel for azimuth pointerAzimuth-pointer screws
Traversinsr-plate liner screwTraversing mechanism, consisting of
HandwheelHandleSpindleTraversing worm shaft
NutTraversing upper bushing pinTraversing clip
Traversing clip upper bushing . . .
Traversing clip, lower bushing . . .
Traversing stop pinAzimuth scale . .
,
Azimuth scale screw No. 1
Azimuth scale screw No. 2
Elevating mechanism, consisting of
Elevating pin
Innerelevatingscrew. . .
Outer ele mating screw . .
Ring, brassEle vating gear bracket
Elevating bevel gear ^
Elevating gear bronze bushingsElevating gear keysEle vating crank handlesWashersElevating bevel pinionsElevating bevel pinion taper pins'Elevating crank shaft, rightElevating crank shaft ,
left
Elevating screws, dust guardDust-guard screw
Axle seats and foot rests, consisting of
Seat, right
Seat, left
Seat support, rightSeat support, left
Seat-axle bracket, rightSeat-a- le bracket, left ,
Seat arm, riihtSeat arm, left
Seat-arm guard, rightSeat-arm guard, left
Seat-arm connection , right
Seat-arm, connection, left
Seat-filler piecesSeatstiffenersSeat-arm supportsSeat-support connection, right
Seat-support connection, left
Seat-support connection bolts
Shield brace bolts with nutsDiagonal brace (rear end inside) right.I >i:r.onal brace (rear end inside) left. . .
Diagonalbrace (rearend outside) rk'ht
Diagonal brace (rearend outside) left. .
Foot-rest frame, ri?htFoot-rest frame, left
Foot-rest plate, rightFoot-rest plate, left
Foot-rest plate attachment, rightFoot-rest plate attachment, left
Seat-axle bracket bolts with nuts. . .
Foot-rest bolts, inside, with nuts. . .
Foot-rest bolts, outside, with nuts. .
Foot-rest support bolts with nuts .
Upper inside foot-rest supportUpper outside foot-rest support . . .
Location.
Traversing plate .
Secure pointer to traversing plate .
Attaches traversing-plate liner. . .
On worm shaftOn handwheelThrough handleIn bearing on traversing clip. . .
On worm shaftSecures upper bushingRiveted to rocker barsIn upper end of bearingIn lower end of bearingOn traversing clip
doSecures scale to traversing clip .
...do...
Through elevating screw and traversingclip.
Between rocker and outer elevating screw . .
Between inner ele vating screw and elevat-
ing gear bracket.
On bearing in trail transoms . . .
In elevating gear bracketIn bracketRi veted in bevel eearOn elevating cranksFor handlesOne on end of each crank shaft.
Secure pinions to crank shafts. .
Through ri"ht flask
Throueh left flask
Lower end of bracketSecures dust guard
Supports ri?ht seat.
Supports left seat
Upper ri^ht end of main shield
Upper left end of main shield
Ri veted to right seat arm bracketRi eted to left seat arm bracketFastened to right seat armFastened to left seat armRi v eted to right seat
Riveted to left seat
Front of seatRiveted to rear edge of seats
Support rear ends of seat armsBolted to ri"ht a-le bracketBolted to left a* le bracketFor seat-suoport connectionsSecure shield Lrace to shield bracketFor right seatFor left seatForri ht seat
For left seatFastened to right foot rest supportsFastened t o lit fo:>t-rest supportsOn fool -rest frame, rightOn foot-rest (rame, left
A 1 1 aches Co >t -rest plate -
.do.
Secure brackets to axleSecure foot-rest supports to axle bearing. .
Secure foot-rest supports to seat-axlebracket.
Secure supports to foot-rest framesFrom axle bearings to foot-rest framesFrom seat-axle brackets to foot-rest frames
Propertyclassifica-
tion.
"lass.
IV
Sec-tion.
21
Nomenclature of parts of carriage (complete) Continued.
No. Name of part. Location.
Propertyclassifica-
tion.
Sec-tion.
Axle seats and foot rests, consisting of
Continued.Lower inside foot-rest support, right . .
Lower inside foot -rest support, left
Lower outside foot-rest support, right. .
'
Lower outside foot-rest support, left. . .
Inside foot-rest support pin
Outside foot-rest support pin
Foot-rest braces :
Road brake, consisting of
Brake beam, rightBrake beam, left <
Brake-beam pin i
Brake-lever hinge pinBraVe-axle bracket bushing (A =3.2) .
Brake-axle bracket bushing (A= 1.5).
Bra^e-axle bracket boltBraVe-axle bracket-bolt nutsBrake axle bracket
Segment rackBrake-lever hingeBrake-lever springBrake-lever stopBrake pawl ;
Brake segmentConnecting-rod endsConnecting-rod pinsRock shaftRock-shaft bracket
Key, steel
Kev, steel
Brake shoesBrake-shoe tap boltsBrake rods
SpringsSpring covers
Spring-cover heads ,
Brake crankBrake lever
Apron latches, consisting of
Apron-latch bracket
Apron-latch pinApron-latch bodyA pron-latch lever
Apron-latch lever pinAproji-latch plungerPlunger eyePlunger-eye pinApron-latch springApron-latch bushingApron-latch bridge, right
Apron-latch bridge, left
Apron-latch bridge claspApron shield, consisting of
Apron
From axle bearing to foot-rest frame,
.do.
Apron hingesApron-hinge pinA pron-latch staples
Main shield, consisting of
Main shield...
HoodHood angleShutter, peep-sight portShutter, panoramic-sight portShutter supportShutter-latch baseShuttT-latch plungerShutt r-latch springHinge, sight-port shutter
Hinge pin, sight-port shutterFiller, shutter hingeShutter latch plunger nut
From seat axle bracket to foot-rest frame. .
doFastens upper inside supports to axle
bearing.Fastens upper outside supports to seat
axle brackets.Brace foot-rest plates
Pivoted to right foot-rest framePivoted to left foot-rest frameFoot-rest framesPinned in brake lever hingeFor right bracketFor left bracketSecures bracket to axle
For boltsBolted to axleRiveted to brake segmentOn rock shaftOn brake-lever hinge pinRiveted near bottom of brake segmentPinned to bra^e-lever hingeRiveted to brake-axle bracketOn ends of brake rods =
Connect ends to brake beamsIn bearings bolted to axle
Bolted to axleRock shaftOn brake rodsEnds of brake beamsSecure shoes to beamsBetween brake-rod ends and springsInside of sprinc coverEnds of brake rods .>
Slide on brake rodOn end of brake shaft
...do
IV
On apron-latch bridgeForm pivot for apron-latch body .
Pivoted on blockPivoted on bodies
Seated in bodiesScrewed on end of plungerAttach plunger eye to lever
In bod}* around plungerScrswed into bodyFastened to clasps....doAround foot-rest supports
Hinged to axle bearings and axle-seatbracket.
Riveted to apronThrough apron hinges and bracketsRiveted to apron
Bolted to axle bearings and axle-seatbracket.
Riveted to main shieldRiveted to hoodHinged to shield
Riveted to shutter.......doIn shutter-latch base.
.do.On shieldIn hing'sBetween hinge and shield .
Nomenclature of parts of carriage (complete) Continued.
No. Name of part. Location.
Class.
Propertyclassifica-
tion.
Sec-tion.
Main shield, consisting of Continued.1 Lower center shield hinge Riveted to main shield.2 Wing-nut studs, front Front of main shield .
Wing-nut sttids, rear Rear of main shield . .
Lower bushing For wing-nut studs .
3 Upper bushing doShield brace bolts with nuts Fastens shield braces to clips.
Wing nut pin washer On pinsShield brace clip, right Riveted to shield .
Shield brace clip, left do.Lower shield bolts with nuts
! Fasten main shield to axle bracketsSeat shield bolt inside, right, with nut. .
j
Fasten seat to shieldSeat shield bolt inside, left, with nut.
.jdo
Seat shield bolt outside, with nuts doTop shield, consisting of
Top shield Hinged to main shield
Top-shield hinge, upper half Riveted to top shield
Top-shield hinge, lower half Riveted to main shield
Fastening hinges Riveted to top shield
Fastening-hinge pins For fastening hingesTop-shield hinge pin For hingesTop-shield fastening For holding top shield secure
Upper center shield hinge Riveted to top shield
Range quadrant case bracket, consistingofBracket Bolted on rear face of main shield, right
side.Left spring support Riveted to bracket
Right spring support doRange quadrant casa, consisting of
Lid Swung between springs by box supportsin bracket.
Body A.. doBox support, right Riveted on caseBox support, left doBearing plate, upper right Riveted to right box supportBearing plate, lower right doPacking-block bas3 i In bottom of caseCase hinges, upper half Riveted on lid IV 3Case hinges, lower half Riveted to back of casa
Hasp hinge!
Riveted on case lid
Hasp Riveted on case front
Wing nutI
Riveted on case
Wing-nut pin and washer doWing-nut pin reinforce I doChain eye ! doPadlock chain Attached to chain eyeLeather-covered packing blocks Screwed to inside of case , .
Bolts with nuts;
Secure case to bracket375 pipes On bolts
Lower r inforce Riveted to bracket
Upper r 'inforceI
doBox bracket bolts with nuts doSprings, quadrant case I Not interchangeable with sight case
springs.Padlock Fastened to chainBolt snap do
Panoramic sight-case bracket, consistingof
Bracket, sight case Bolted on rear face of main shield, left side. .
Spring support, right i Riveted to bracket
Spring support, left doPanoramic signt case, consisting of
Packing-block base In bottom of case
Lid Suspended between springs and bracket . . .
Body doBottom doBox supports Riveted to case
Hasp Riveted on case front
Hasp hinge Riveted on case lid
Case hinges, upper half doCase hinges, lower half Riveted to back of case
Filler block In case
Lower reinforce Riveted to bracket
Upper reinforce doWing nut Riveted on case >
Retaining PinyBolt- >
i
front SiifMBracket-
.j
r-fool Pest
\ Apron Latch
Brake Shoe,
BrateBemn--
r Axle Seat
i r- -Brake Lever
! Upper Inside Fool first
"upport
Upper Outside Foot Pest
SupportLower Outside Foot test ^
Support-
Elevating CrankHandle- -
Seat- f-
Shoulder Guard
Block Qzrrier-
Operalinq Lever
PLATf VJ
--Brake Rod
-Shield Brace
-Apron Latch
SealArm
3.8rlnch Gun Carriage. Model of1904
Plan.
Z8 J? X40444S52X6064&8 76 8O 84 8& io4 /as ie 116 INCHES.
23
Nomenclature of parts of carriage (complete) Continued.
No.
24
sions given in the description of the 3-inch gun carriage will be dis-
regarded, as the 3.8-inch gun has a larger carriage. Numbers of
carriages will also be disregarded.
WHEELS.
The wheels are a heavier type of the Archibald pattern, 58 inches
in diameter, with 4-inch tires. The hub cap is of forged steel andno hub band or hub-latch plunger is used.
The wheel fastening is of a different design, being made in halves
and pinned together by means of a pin and interlocking lugs at oneend and a hasp and split pin at the other. The fastening has a squarethread, onto which the wheel is screwed. The wheel is locked to the
fastening by means of the hasp and staple.
TRAIL.
The only difference noted in the trail is that the rear ends of the
flasks are not flanged outward at the points at which the float is
attached.ELEVATING GEAR.
The functioning of the elevating gears is the same, but differs in
construction. In place of the angle the 3.8-inch gun-carriage rocker
has two steel bars threaded in the pintle socket at one end andriveted to the traversing clip at the other. The traversing clip
serves as a point of attachment for both the traversing and elevatingmechanism.
TRAVERSING MECHANISM.
The traversing mechanism consists of the traversing worm shaft,
mounted in a bearing in the traversing clip. The bearing is inclined
30 to the horizontal and is bushed at either end. Through an
aperture provided for the purpose the worm thread on the traversing
worm shaft engages with the rack on the traversing plate, which in
turn is riveted to the cradle. A pin, inserted in the traversing clip
after assembly, serves as a traversing stop. Two small lugs, one at
the center and one at the right of the traversing plate, limit the
motion of the gun to right or left. The traversing worm shaft
extends upward and to the left, terminating in a seat for the trav-
ersing handwheel. Turning the handwheel causes the cradle, with
the gun, to be traversed, the amount of motion provided being 106
mils, 53 on each side of the axis of the carriage.
CRADLE COMPLETE.
The cradles complete are similar in design and operation except
as noted. The 3.8-inch gun-carriage cradle has three steel forgings
riveted to its under side the pintle, traversing plate, and cradle-lock
lug. The traversing and elevating mechanism are attached at the
same point.
ACTION OF MECHANISM DURING RECOIL.
The firing mechanism is as described in the handbook, Form 1659,
for carriages after No. 168.
AMMUNITION CARRIERS.
There are no ammunition carriers mounted on the 3.8-inch gun
carriage, and all references thereto in the handbook, Form 1659, should
be disregarded.ROAD BRAKE.
The spring cover and spring-cover end mentioned in the hand-
book, Form 1659, are integral on the 3.8-inch carriage.
There is but one rack riveted to the brake-segment bracket.
THE SHIELD.
The apron is hinged to the axle-seat brackets and the axle bear-
ings and reaches to within 5.25 inches of the ground. For traveling,
it is swung up under the seats and held by two apron latches, whichare attached to brackets riveted to the foot-rest supports. The mainshield is rigidly attached by bolts to the axle-seat brackets and axle
bearings and is braced by two shield braces, reaching from its uppercorners to the foot-rest frame. It has two wing nuts for securing the
top shield when folded down and has a sighting port and a gun port.
The latter is made a minimum port, and the shield is stiffened by a
hood riveted to its front face. The upper edge of the top shield is
64 inches from the ground.
TO FILL THE RECOIL CYLINDER.
In the instructions regarding the filling of recoil cylinders the fol-
lowing important point should be noted in addition to the instruc-
tions given in the handbook: The cylinder should ~be refilled after anytest which requires the retracting of the gun.
TO DISMOUNT THE TRAVERSING MECHANISM.
The gun being dismounted, remove the traversing stop pin fromthe clip and traverse the cradle (muzzle end) to its extreme left
position. This wih1
disengage the rack from the worm on the shaft.
To remove the worm shaft, first remove the handwheel, next the nut
from the upper end of the shaft, and then unscrew the bushing from
the traversing clip, which will allow the shaft to be withdrawn. Toassemble the traversing mechanism, the above operations are re-
versed.TO REMOVE A WHEEL.
First, remove the hub cap by unscrewing with the spanner fur-
nished, remove the lock washer, undo and throw back the haspattached to the wheel fastening, and then unscrew the wheel from the
wheel fastening, which will allow its being removed.7781017 4
26
TO REMOVE A WHEEL FASTENING.
The wheel having been removed as directed above, withdraw the
0.25 split pin; the wheel fastening, being in halves and hinged at the
bottom, can then be removed from the axle.
ADJUSTMENT OF SIGHTS.
VERIFICATION OF PARALLELISM OF LINES OF SIGHT AND AXIS OF BORE.
information in handbook 1659 applies to the 3.8-inch gun, with
the exception of that shown in figure 1.
FIGURE1
THE 3.8-INCH GUN LIMBER, MODEL OF 1904.
[Plate VIII.]
WEIGHTS, DIMENSIONS, ETC.
Weight, complete, empty pounds. . 1, 102
Weight of tools and equipment carried do. .
Weight of ammunition carried do 682
Weight, completely equipped and loaded do 1, 875
Weight of gun, carriage, and limber, completely equipped and with 18 rounds
of ammunition pounds.Rounds of ammunition carried in limber chest number.
Diameter of wheels : inches .
Width of track do. . .
Free height under limber (and carriage) do. . .
Turning angle with carriage degrees .
Turning angle with caisson do
5,75018
58
60
21
76
75
27
Nomenclature of p<trts of limber.
No.
Nomenclature of parts of limber Continued.
No. Name of part. Location.
Class.
Pole, complete, consisting of
Pole bodyPole plugNeck-yoke counter-stop springNeck-yoke counter-stop pinNeck-yoke counter stopNeck-yoke stopNeck-yoke chafing plateNeck-yoke stop separatorNeck-yoke stop-rivet separatorPole-pin bushingButt reinforce.
Oil-can holder, complete, consisting of
Oil-can holder...
Riveted in bodyBears on neck-yoke counter stop .
Riveted in bodyHinges on counter-stop pin ,
Riveted to bodyRiveted to upper side of bodyTnsida of body
'
do ."
doRiveted to inside of body
Oil-can holder bracketOil-can holder haspHasp .hingeHasp-hinge pin
Ammunition chest, complete, consistingof
Chest bottomChest doorChest frontChest topFront diaphramMiddle diaphramRear diaphramConnecting pieceChest front reinforceDoor stiffcnerOuter bearing plateSmall bearing plate
Do...Do
Chest rail, right . . .
Chest rail, left.
Chest rail connectionConnection pinDoor hinge (in two pieces)Door-hinge pinDoor-hinge reinforceDoor handleDoor-handle reinforceBucket holderBucket-holder transom, rightBucket-holder transom, left
Corner reinforceLock bar, rightLock bar, left
Lock-bar hingeLock-bar hinge reinforceLock-bar outer hinge, rightLock-bar outer hinge, left
Lock-bar outer hinge reinforce, right.Lock-bar outer hinge reinforce, left. . .
HandrailHandrail foot
'
Handrail forward bracket, rightHandrail forward bracket, left
Handrail rear bracket, rightHandrail rear bracket, left
Reinforce washer...
Hinge bearing plateLeft polo prop bracket . .
Right pole prop bracket.Ax-handle bracket ,.
Ax-head bracketAx-handle guardHatchet-blade bracket . .
Hatchet-handle fastener.Lantern bracket
Lantern-strap fastener...
Pick-ax chafing plate
Riveted to right side of chest and bracketsRiveted to right side of chest near topFastened to hasp hingeRiveted to bracketPins hasp to hasp hinge
Constitute body.
Riveted to chest bodydo
....doConnect rear and middle diaphram.Riveted to chest frontRiveted around edge of doorRiveted to door...do....
.do.
..In.
Riveted to bottom of chest.do.
Riveted to chest rails
Pin-chest rail connections to side rails
Riveted to door and chest topFor door hingesRiveted to chest top with hingesRiveted to doorRiveted to door with handleRiveted to top of chest; forms seat
Riveted to bucket holder and chest top. .
.do.Reinforce corners of bucket holder
Supported at ends by hingesdo
Riveted to chest bottomRiveted to chest bottom with hingeSupports outer end of right lock bar
Supports outer end of left lock barRiveted to chest bottom with outer hinge
.do.Riveted in handrail bracketsRiveted to sides of chestRiveted to right handrailRiveted to left handrailRiveted to right handrailRiveted to left handrail8 under handrail-foot rivets; 4 under pick-head bracket rivets; 2 under ax-neadbracket rivets.
Riveted to door with two middle hinges.Riveted to top of chest
.do.
Riveted to left side of chest. .
.do.
[do!
Riveted to chest front
dodo
Fastened to lantern bracket.Riveted to bottom of chest. .
Propertyclassifica-
tion.
Sec-tion.
IV
Nomenclature of parts of limber Continued.
No.
30
The pickax is carried in brackets under the chest to the left of the
middle rail, the shovel being carried to the right of the rail.
The hatchet is carried in two brackets riveted to the front of the
chest, and the pole prop is carried in brackets attached near the rear
edge of the top plate.
The oil cans are carried in a holder made of flange steel riveted to
the right side of the chest.
No ammunition is carried in limbers used with the gun, since the
weight would be too great.
THE 3.8-INCH GUN CAISSON, MODEL OF 1904.
[Plate IX.]
WEIGHTS, DIMENSIONS, ETC.
Weight, empty, without implements and ammunition pounds. . 1, 426
Weight of tools and equipment carried do 99
Weight of ammunition carried do 1, 516
Weight, complete, equipped and loaded do 3, 041
Weight with limber, completely equipped and with 58 rounds of ammunition,
pounds 4, 916
Rounds of ammunition carried number. . 40
Diameter of wheels inches. . 58
Width of track do. ... 60
Free height under caisson do 22
Turning angle degrees. . 75
Nomenclature of parts of caisson.
No. Name of part.
Wheels and wheel fasteningsAxleMiddle-rail angle, right ,
Middle-rail angle, left
Middle-rail plateSide rail, right ,
Side rail, left
Filler platesPintle with bearing, complete, consistingof
PintlePintle latchPintle-latch pin with split pinPintle-latch springPintle bearing (in 2 parts)Pint U> springI 'int le-spring pinPintle-bearing bolts with nuts
Name plateBrake channelChannel supportsCross braceFrame handle, rightFrame handle, left
Frame reinforce plateLunette bracketLunette bracket filler plateLunette with nut
Location.
Same as on carriage .
Riveted to axle and side rail .
...do...Riveted to middle rail angles.Riveted to axle lugs
doRiveted to side rail fliges . . .
Seated in pintle bearing.On pintleForms pivot of latchOn pintleRear end of middle rail.
In pintle bearing.do.
Class.
Secures bearing to middle rail
Riveted near rear end of middle rail.
Fastened to side rails
Fasten channel to side rails
I ; i vet cd to side rails
Front end of side rails
Propertyclassifica-
tion.
.do.
.4o.
.do.
Under lunette bracketSecured in lunette bracket.
Sec-tion.
IV
31
Nomenclature of parts of caisson Continued.
Name of part. Location.
Propertyclassifica-
tion.
Sec-tion.
Caisson prop, complete, consisting of
Prop eye, right
Prop eye, left
Prop tubesProp foot
Fastening pinFastening-pin washer nutFastening nutProp-chain clamps .'
Prop chain
Prop hookProp-chain buttonProp-chain guides
Box bottom, rightBox bottom, left
Brake-box fillers
Brake-beam guide, rightBrake-beam guide, left
Front brake brace, rightFront brace brake, left
Rear brake brace, rightRear brake brace, left
Brake beamsBrake shoesBrake-shoe tap boltsBrake-beam pinsBrake-rod endsBrake rods
IncludingBrake-rod springsBrake-spring covers
Brake-spring cover headsBrake-spring cover ends
Brake-rod pinsBrake cranksBrake-crank bolts with nutsBrake shaft with two keysBrake-shaft bearingsBrake-shaft bushingsBrake-segment bracket
Brake-segment bushingBrake-segment bracket bolt and nutBrake segmentBrake-segment brace
Brake-segment guardSegment rack ,.
Front separatorRear separatorRear-separator boltBrake leverBrake-lever catch
Spare-pole fasteningFastening nutFastening washersSpare-pole bracketSpare-pole rest
Pick-mattock bracketShovel-handle supportStrap fasteners for pick mattock
Riveted to right tubeRiveted to left tubeSupport poleRiveted to lower ends of tubes . . .
Through prop eyesOn fastening pinSecures prop to vehicleOn prop tubesSecured to propOn chainRiveted into lunette brawfetRiveted to cross braceRiveted to ends of brake channel....do...
.do.Riveted to brake channel . .
....doBrake channel to side rails .
...do...dodo
Seated in brake boxesOn end of brake beamsSecure shoes to beamsForm pivotsConnect rods to brake beams .
Connect beams to cranks
On brake rodsdo
....do
....doSecure rods to beams and cranks .
On brake shaft
Clamp cranks on shaftIn shaft bearings on axleRiveted to axle lugs
Clamped on right end of axle.On brake-segment bracket
Clamps bracket to axleRiveted to bracketRiveted to brake segmentRiveted to segment
.do.Between segment and guard.....do
Through rear separatorOn end of shaftRiveted on brake leverOn caisson-prop pinOn spare-pole fasteningOn spare poleRiveted to middle rail
Riveted to brake channel. . .
.do.
Ammunition chest, complete, consistingof
Chest top plateChest bottom plateChest front plateChest doorRear diaphragmMiddle diaphragmFront diaphragmDiaphragm brace, rightDiaphragm brace, left
Diaphragm tees
Riveted to cross braceRiveted to pick-mattock bracket and brake
channel.
Constitute chest body
Riveted to chest.do...do.
Connecting pieces .
Chest reinforceChest-front angle..
Between front and middle diaphragms....do4 for rear diaphragm, 3 for middle, and 3
for front diaphragmsConnect rear and middle diaphragmsRiveted to bottom of chestRiveted around edges of chest front
IV
32
Nomenclature ofparts of caisson Continued.
No. Name of part. Location.
Propertyclassifica-
tion.
Class.Sec-tion.
Ammunition chest, complete, consistingof Continued.Chest-front braceAx-head bracketAx-handle supportAx-strap fastener
Grip-strap fasteners
Paulin-strap fastenersShovel supportReinforce washers
Pick-mattock handle supportWrench holder for spanner wrench
DoWrench holder for nut wrench
Do...
Stiffens chest frontRiveted to front plate
dodo...
Riveted to chestdo
Riveted to bottom of chestUnder rivet heads for pick-mattock handlesupport and shovel support
Riveted to left side of chest....do
.do.
.do.
Strap fasteners for wrenches Riveted to chestChest rail, right Riveted to bottom plateChest rail, left do
Riveted to chest bottom and chest rails. . .
Riveted to chest rails
....do
....doRiveted to sides of chest. . .
Riveted to handrail shanksRiveted to sides of chest....doRiveted to inside of door . . .
....doRiveted to doorLock bar hinges
do
Attached to lock bar ....
Riveted to bottom plate.Riveted to doorFor studsPivoted on studs
Filler piecesApron-latch hinge, right
Apron-latch hinge, left
Foot restHandrail shanksHandrailsDoor-prop guide, right
Door-prop guide, left
Door tees
DoDoor angleLock bar, right
Lockbar,leftLock-bar hinges Riveted to bottom platePadlock-chain rivets On lock bars
Wing-nut pins Riveted to door . .
Wing nuts On wing-nut pinsWing-nut pin washers
\
On pinsPadlock with chain and bolt snap | On lock barChain with two chain rings and bolt
|
snapPadlock-chain stapleDoor-prop studsNutsDoor propsDoor-prop rivets
Door-hinge pinsDoor hinges, maleDoor hinges, femaleDoor handleFuze setter latch hinge
Apron, complete, consisting of
ApronEnd hinge filler piecesCenter hinge, rightCenter hinge, left
End hinge, rightEnd hinge, left
Apron staple, right
Apron staple, left
Hinge pinsApron latches, complete, consisting of
Hinge pinsLatch bodiesLatch leversLever pinsLatch plungersLatch clevises
Latch-cleyis pinsLatch springsLatch bushingsLatch hinges
For hingesRiveted to doorRiveted to top plate .
Riveted to door...do
Hinged under axleRiveted to apron....do....do....do....do....do....doSecure apron to axlePivoted on hinges on chest rails.
Attach latch body to hingePivoted to latch hingesPivoted on bodiesForm pivots for levers
Seated in bodyScrewed on end of plungerAttach clevis to leverIn body around plungerScrewed into bodyRiveted to chest rails
IV
33
DESCRIPTION OF THE 3.8-INCH GUN CAISSON, MODEL OF 1904.
The first three paragraphs in the description of the 3.8-inch gunlimher will also apply to the caisson, the description of the 3-inch
gun caisson, Model of 1902, in handbook 1659 being used.
The following paragraphs in regard to the ammunition chest will
take the place of the corresponding ones in handbook 1659:
The caisson ammunition chest is rectangular, and is built up of
flange steel formed to shape and riveted together in a similar manner
to that of the limber, but is larger, having provision for 40 rounds
of ammunition arranged in 4 horizontal rows of 10 rounds each.
The front of the chest is made of armor plate 0.15 inch thick. Asteel angle is riveted to the armor plate all around its edge and the
projecting leg of the angle, riveted to the body of the chest. Three
steel tees placed vertically and riveted to the inside of the front plate
give stiffness to the latter.
Inside of the chest the cartridges are supported by three vertical
diaphragms flanged all around and riveted to the body of the chest.
Each diaphragm is perforated with 40 flanged cartridge holes. Cor-
responding holes in the middle and rear diaphragms are connected
by conical brass connecting pieces which are similar to those used in
the limber chest. The front and middle diaphragms are rigidly
braced to each other by two flanged steel braces riveted between
the two.
To the front and middle diaphragms are riveted vertically three
steel tees and to the rear diaphragm four steel tees.
Nine instead of seven steel tees are riveted to the inner face of the
door.
The description of the bracket fuze setter and attachments in
handbook 1659 will be disregarded, as there is no bracket fuze setter
on this caisson.
OTHER 3.8-INCH GUN MATERIEL.
The following vehicles are also used in the 3.8-inch batteries:
The 3.8-inch'gun forge limber, Model of 1902,
The 3.8-inch gun battery wagon, Model of 1902,
The 3.8-inch gun store limber, Model of 1902, and
The store wagon, Model of 1902.
The descriptions of these vehicles will be found in handbook 1659
under the following names:The 3.8-inch gun forge limber, Model of 1902, under the head of
3-inch gun and 3.8-inch howitzer, forge limber, Model of 1902.
The 3.8-inch gun battery wagon, Model of 1902, under the head of
3-inch gun battery wagon, Model of 1902.
34
The 3.8-inch gun store limber, model of 1902, under the head of
3-inch gun and 3.8-inch howitzer store limber, model of 1902.
The store wagon, model of 1902, will be found under the sameheading in the handbook.On all four vehicles, however, the wheels are 58 inches in diameter
instead of 56 inches, as given for the 3-inch gun materiel. As thehubs and wheel fastenings on the 58-inch wheels are of another type,the. axles are necessarily different. In all other respects these vehicles
conform to the descriptions mentioned above.
REPAIRS FOR FIELD ARTILLERY MATERIEL ISSUED TO THE UNITEDSTATES ARMY AND THE NATIONAL GUARD.
The following is an addition to the instructions found in Form No.1659:
A small amount of oil should be put in each wheel before using, as
this is the only way to insure that the wheels are properly lubricated
unless they are removed.
After any test that requires retracting the gun, the recoil cylindershould be refilled, since in this position the three holes in the pistonrod which permit oil to flow from the interior to the rod into the
cylinder when filling are in front of the piston-rod gland, thus per-
mitting some oil to escape.
METHOD OF LOADING ONE 3.8-INCH GUN BATTERY ON WAR FOOTINGFOR TRANSPORTATION BY RAIL.
The flat cars usually obtained from railroad companies vary in
length from 34 to 44 feet. Cars longer than 42 feet are unusual. It
is desirable that cars 40 feet in length be obtained if possible.
In loading a battery on cars during service operations gun sections
should be kept together when possible. Pursuing this idea, a 3.8-inch
gun battery may be loaded as follows when cars at least 34 feet in
length are obtained:
35
The fifth and sixth cars will be only about three-fourths filled if
34-foot cars are procured. The additional space may be utilized as
the battery commander sees fit.
If cars 'ess than 34 feet long are obtained one limber and one
caisson will have to be omitted. If cars 44 feet long are obtained
one additional limber or caisson can be loaded on each.
In loading the cars, if there are permanent loading platforms alongthe railroad tracks in the vicinity, the vehicles should be run onto
these platforms and loaded from them. If there is no permanent
platform in the vicinity it will be necessary to build a temporary
ramp. This shoidd be built at the side of the track and the vehicles
run on near one end of the car. When loading short cars it may be
necessary to remove the pole of the limber last loaded in order to
get the limber onto the car. The pole should be replaced in its
socket, however, as soon as the vehicle is placed in position.
When loading the cars care must be taken to so load them that
there can be no movement of the vehicles on the cars longitudinally,
transversely, or vertically. All vehicles, trails of carriages, poles of
limbers, and lunettes of caissons and wagons must be secured to the
floor of the car. The vehicles are secured as follows:
Two by four inch timbers nailed to the floor of the car on both sides
of all wheels hold the wheels securely against transverse motion.
Two by four inch chocks, nailed to the 2 by 4 inch pieces which lie
along the sides of the wheels, hold the wheels against longitudinalmotion. For the end vehicles of each section of three vehicles four
4 by 4 inch chocks should be used.
A 2 by 4 inch crosspiece placed on the felloes between the two
lowest spokes of both wheels of each vehicle and bolted to the floor
of the car with two one-half-inch bolts holds the wheels against ver-
tical motion. These bolts should, if possible, be bolted through the
crosspieces on the outside of the wheels. If bolts for holding these
crosspieces can not be obtained they should be securely nailed downwith 7 or 8 inch spikes. Each pole and lunette should be secured
to the floor by nailing two 2 by 4 inch blocks to the floor, one on each
side, and one 2 by 4 inch piece across the top, near the end of each
pole and lunette.
The trails should be secured to the floor by using four 2 by 4 inch
blocks, nailing one close up in the rear, one longitudinally along each
side, and one across their top in the rear of the trail. Four 2 by 6
inch timbers brace the wheel hubs of the two end vehicles on each
car. The hub ends should be hollowed out, the lower ends being
spread well apart, forming lateral as well as longitudinal braces and
nailed to the floor of the car and to four cleats which are nailed to the
floor of the car.
For carrying all harness and all accessories of the vehicles which
are not carried in compartments of these vehicles or rigidly attached
36
to them one box car should be obtained. The materiel in this boxcar should be packed in boxes if on hand. In case no box car canbe obtained ill of the harness, etc., should be packed in boxes and
placed on the flat cars near the vehicles. These boxes must be
securely fastened to the floor of the car to prevent them from slidingoff the car or from striking and injuring the vehicles.
To load a 3.8-inch gun battery on war footing will require 1,150linear feet of 2 by 4 inch lumber, 200 linear feet of 2 by 6 inch lumber,and 50 linear feet of 4 by 4 inch lumber.
EQUIPMENT.
The following table shows the total equipment of one 3.8-inch gunbattery on war footing. A place is designated for most of the
articles, but the battery commander may use his discretion as to
the disposition of many articles for which no particular fitting or
receptacle is provided.
Statement of total equipment of one 3.8-inch gun battery.
Warfooting(4 guns,12 cais-
sons).
Article.
Guns and gun carriages.Caissons................LimbersBattery wagonForge limberStore wagonStore limberReel,2-horse
Where carried.
Toolsand accessoriesforgunsand carriages.
* vxle seat cushionsBreech covers
Front-sight coversHand-fuze setters
Hand-fuze setter cases
LanyardsLeather pouches for spare partsMuzzle coversOil-can boxes, horizontal oilers
Oilers, horizontal
Rear-sight bracket covers
Rear-sight shank covers
Spanner and wrench I
Sponge covers ;
Sponges and rammersSpools copper wire No. 20 (3 pounds each)Tool kits, canvas, each containing
1 cold chisel f by 8 inches1 drift, bronze, large1 drift, bronze, small1 file, dead smooth, 6 inches, 3 inches
square.1 file, hand, smooth, 8 inches, flat
1 hammer, hand, cross-peen1 pliers, wire cutting, 8-inch1 punch, small1 screw driver, 10 inches1 scre\v-slot wrench1 wrench, filling and drain plugs1 wrench, range quadrant
Wrenches, ? and 1 inchWrenches for assembling recoil springsand grindstone.
On axle seat
On gunOn front sightIn casesIn trail box...do...
Propertyclassifica-
tion.
IV
IV
....doOn gunIn trail boxIn oil can boxesOn bracket on cradleOn sight in trail sight box.In trail boxOn spongeIn fastenings on trail
In trail box..,
.do
.do.
.do.
IV
37
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
38
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
Article. Where carried.
Propertyclassifica-
tion.
ClassSec-tbn.
1
1
1
1
1
1
21
24
24
1
1
1
1
1
2240
Spare parts for guns and gun carriagesContinued.
For carriage Continued.Firing-shaft trip-latch pin ...............Firing-shaft trip-latch plunger...........Firing-shaft trip-latch spring ............
Firing-shaft trip-collar pin ..............
Filling and drain plug (cylinder) ........
Filling plug (piston rod) ................Front sight, complete, with bracket .....
Oarlock's waterproof packing, J rings____Lunette with nut .......................Panoramic sight ....................... .
Handspike web ................ ........ .
Handspike body with rivets and steelwashers.
Handspike lower bands with rivets......
Handspike middle bands with rivets ____
Handspike tips with rivets..............
Handspike bolts with nuts ..............
Handspike rivets .......................
Spade edge .............................
Sponge cover............................
Spade-edge rivets .......................
Spring cover No. 1 with screw andwasher.
Carpet with lacing where required.......Rammer with rivets where required .....
Staff coupling, male.....................Staff coupling, female ...................
Staff, end ...............................
Staff, head ................ .-.............Tube collars ................ ............
Sponge tube ............................
Sponge retaining ring with taper pin.....Hub liner ...............................Lock washer ............................Wheel fastenings, complete ..............Wheel-fastening hasps ..................Hub cap ................................Oil val * e, complete, consisting of valve,spring, washer, and split pin.
Range quadrant ........................Rear-sight bracket ......................Rear sight shankRecoil indicators
Split pins, assorted
Nuts, crocrown, special, set, consisting of0.875 by 20 threads ..................1.25 by 7 threads ....................1.187 (1A) by 16 threads.............
Nuts, crown, standard, set, consisting of
0.375 by 16 threads ..................
Nuts, hexagon, special, set,- consistingof
0.5 by 13 threads ....................0.625 by 11 threads ..................0.75 by 10 threads ...................1.375 by 10 threads..................
Nuts, hexagon, standard, set, consistingof
0.5 by 13 threads ....................0.625 by 1 1 threads ..................
Tools and accessories for limbers.
AxesBuckets, water, canvas.Dust guards, leather . . .
HatchetsLanternsLantern bracket pads . .
Neck yokesOil cans, tubularPaulins, 12 by 12 feet...
PickaxesPicket ropes
[In chest for miscellaneous spare parts
>In leather pouch for spare parts
In trail sight boxIn leather pouch for spare partsIn store wagonIn box on shield . .
In store wagon ,
In chest for miscellaneous spare parts.
In box on shield .
On cradleIn trail sight box.
Carried equally in leather pouches for
spare parts.
On limber, under chestOn limberOn wheelsOn limber, in bracket, on left of chest. .
On limber, in holder, front of chestIn bracketsOn poleOn limber, in ammunition chestOn limber, on seat as cushionOn limber, on foot rest
On limber, on front of chest
IV
IV
39
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
40
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
6300
61212
Article.
Spare parts for caissons Continued.
LunettesLunette nuts
Padlocks, chains, clevises, and bolt
snaps.Pintles, complete, with bearings andbearing bolts.
Pintle latchesPintle-latch springsPintle springsSplit pinsWheels, complete -
Wheel fastenings, completeFastening hasps
Tools and accessories for battery wagon.
Carpenter's chest, with to9ls, set
Chest for cleaning material and smallstores.
Chest for spare breech mechanismChest for spare sights, containing
1 bore sight, breech1 bore sight, muzzle
Double tackle block
Forge coal bagFilling funnel, cylinderGrindstone, with frame, completeJackscrewMarking outfit for stamping leather
Marking outfit for stamping metalOil cans, 5-gallonOrdnance Department insignia stencil..
Packing chest for suppMesPacking chest for spare partsPaulin, 12 by 12 feet
Rope for block and tackle
Saddler's chest, with tools, set
Seal stampTriple tackle block
Spare wheel hub covers
Spring compressors, No. 3
Stencil outfit
Straps:GripJacksccewPaulin
Testing level and chestVise..Water buckets, galvanized steel
Wrench, grindstone and recoil-springassembling.
Tools and accessories for store wagon.
BolosBolo scabbardsChest for miscellaneous spare parts.CrowbarDust guardsKilling funnel, cylinderOil caas, 5-gallonPaulin, 12 by 12 feet
Slush brush
Straps:CrowbarGripPaulin
Spare wheel hub covers
Tools and accessories for forge limber.
AxBuckets, watering, canvas .
Dust guardsHatchet...
Where carried.
In store wagon .
Pouches for spare parts .
Where convenientIn store wagon....do
Propertyclassifica-
tion.
Class.
IV
In battery wagon .
....do
.do.
.do.
....doOn battery wagon .
In battery wagon .
.do.
.do.
\In cleaning material and small stores
/ chest.In oil-can supportsIn cleaning-material chestIn battery wagon
.do.On battery wagon .
In battery wagon .
.do.In cleaning-material chest.In battery wagonOn spare wheelsIn battery wagonIn cleaning-material chest.
[in strap fasteners
In battery wagonAttached to lunette frame.In battery wagon
...do
IV
IV
IVIV
IV
IVXIV
IV
XXIVIVXX
IV
IVXIVIV
In store wagon 1VIIdo
....doOn store wagon, under bodyOn wheels IJ- IVIn store wagonOn store wagon, in oil-can holdersOn store wagon
. . .do
In strap fasteners .
In store wagon . . .
On limber, under chestOn limber, in bucket holder.On wheelsIn bracket on left of chest . . .
IV
IV
IVIV
Statement of total equipment of one S.8-inch gun battery Continued.
Warfooting(4 guns,^cais-sons).
42
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
Statement of total equipment of one S.S-4nch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
Article.
Spare parts of harness.
Breast strapsBridle, Artillery, off ,
Bridle, Artillery, near
Cinchas, lead ,
Cinchas, wheel ,
Collar pads, canvasCollar strapsCurb bitsCurb chain, with hooksFeed bagsGrain bagsHalter headstallsHalter tie ropesMartingales, with cincha strapsMogul springs, 320 poundsSide straps for breechingSteel collars, with 2 hame tugs eachStirrup strapsTraces, lead, with chainTraces, wheelWhips, Artillery
Spare parts of collars.
Bolts for bottom of collarBolts for extensionBolts for top connectionBolts for trace plateBuckle latchesBuckle springsDraft springsPad boltsPad hooks, with collar back-strap con-nection.
Nuts for bottom boltNuts for extension boltNuts for top connection boltNuts for pad boltNuts for trace-plate boltTrace plate and loopWashers for trace-plate bolt
Instruction equipment.
Sectionalized shellSectionalized shrapnel
Miscellaneous equipment.
Reloading and cleaning outfit, consist-of
bushingcleaning brush (16.75 inches lo'ng)".case holdercase-holder standdecapping tool (17.9 inches long) .
hammerprimer-inserting press, small
1 saluting-powder measure1 storage chest
Subcaliber and drill cartridge kit, con-sisting of
3 drill cartridges, 1 extra base1 subcaliber cartridge1 bristle cleaning brush1 cleaning rod2 closing cap set screws1 extension piece2 extractor springs2 extractor-spring screws1 eyepiece1 graduated ring, with felt washer. .
4 ring screws6 rotating pins6 stop pins ."."."
1 storage chest1 wrench pin
Where carried.
In battery wagon .
Not part of harness...dodo...
In battery wagon .
Propertyclassifica-
tion.
Class
IV
IX
IV
In miscellaneous spare-parts chest,store wagon.
Carried looseIn miscellaneous spare-parts chestCarried loose . . .
In miscellaneous spare-parts chest
Notjcarried in field.
In chest for reloading and cleaningoutfit, in store wagon.
Not carried in field.
IV
Sec-tion.
44
Statement of total equipment of one S.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
45
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,^cais-sons).
46
Statement of total equipment of one 3.8-inch gun battery Continued.
Warfooting(4 guns,12 cais-
sons).
Article. Where carried.
Propertyclassifica-
tion.
Sec-tion.
Carpenter's tools Continued.
Handles, file, aluminum alloyi Knife, drawing, 9-inch blade
\
Mallet, 2| by 5 inches, maple, hickoryhandled.
Nail setOiler
Oilstone, unmountedPincer, small, 8-inch
Plane, jack, woodPlane, smoothing, woodPlate, auger handleRasp, wood, 10-inch
Reamer, half round, for wood or soft
metal.
Rule, boxwood, 2-foot, 4-fold
Saw, crosscut, 24-inch
Saw, rip, 24-inch ,
!n carpenter's chest, in battery wagon. .
Screw driver, 5-inch blade, 10-inch
Spokeshave, adjustableSquare, steel, 12-inch body, 8-inch
tongue.Tape line, linen
Vise, table, 2i-mchWrench, screw, 12-inch
Blacksmith's tools.
Anvil, 100-poundAprons, blacksmithBags, canvas, for nails
Box, shoeing, leather
Chisel, cold, 8-inch
Chisel, handled, for cold iron, 2 pounds . . .
Chisel, handled, for hot iron, 1.5 pounds . .
Clinching ironDrills, flat
File, 12-inch, flat, bastardFire rakeFire shovel
Flatter, handled, 1 .5 inch, square face
Fore punch and creaser
Forge, Empire, portableHammer, hand, 2 poundsHammer, riveting, 1 pound, 2 ouncesHammer, shoeing, 10 ounces
Handle, file, aluminumHardie, 0.75 square shank, 1.25 bit
Cutting nippers, 14-inchOiler
Pritchel, 0.75 flats, 9-inch
Punch, round, 0.375-inch
Punch, round, 0.312 (A)-inchPunch, nail
Punch, squareRatchet drill for square shank drill
Rivet sets, 5 sizes
Rule, boxwood, 2-foot, 4-fold
Screw plates, taps and dies, with tapwrench, including chest.
Shoeing knivesShoeing pincers
In forge limber chest .
1 Shoeing rasp, 16-inch.
Sledge, 11-poundSquareToe knife
Tongs, horseshoer's, 1.5-pound, 12-inch..
Tongs, for 0.25 iron
Tongs, for 0.5 iron
Whetstone, farrier's, 10-inch
Wrench, forge
Wrench, screw, 12-inch
47
Statement of total equipment of one 3.8-inch gun battery Continued.
Lightbat-
tery.-
7.r,
Article.
Materialsfor cleaning and preservation.
(6 months' supply, all expendable.)
Borax, pounds, lumpBrush, camel's hair, No. 1, roundBrushes, sash, No. 3
Brushes, sash, No. 5
Brush, varnish, No. 4-0
Brushes, varnish, No. 5-0
Brushes, varnish, No. 6-0
Burners, lantern, Dietz, VestaCloth, crocus quires. .
Cloth, emery, No. quire..Cloth, emery, No. doCloth, emery, No. 00 doCosmic, No! 80, soft, quarts (1-quartcans).
Chamois skins
Dressing, russet leather boxes. .
Eveready tungsten battery No. 793
Eveready 2.7V. Mazda bulb No. 1197. .
Globes, lanternLavaline, 16-ounce cansLye, powdered, cans, 1-pound
Where carried.
In store wagon....do....do....do....do....do....do....do....do
do..do..do :
..do...
Propertyclassifica-
tion.
Class.
.do.
.do.
.do.
.do.
.do.
.do.
Naphthaline pounds. .
Oil, clock, ounce, 1-ounce bottles
Oil, hydroline, gallons, 5-gallon cans. .
Oil, linseed, boiled gallons. .
Oil, linseed, raw pints. .
Oil, lubricating gallons . .
Oil. neat's-foot
Oil, slushing, light.
.do.
.do.
Oil, coal do.
Oil, sperm do.
Paint, olive-drab, second coat.pounds .
Paint, olive-drab, third coat.... do.Paint, rubberine, gallons, 1-galloncans.
Petrolatum (vaseline), ounces (in tinbox).
Po'ish, Gibson's soap, 16-ounce cans. .
Primer, brown enamel quarts. .
Sal soda, pounds, bulk :
5 pounds in store wagon; rest to beretained at post.
Not carried in field
In cleaning material and .small-
stores chest.In oil cans under battery and store
wagons.In store wagonIn cleaning material and small-
stores chest.In oil cans on battery and store
wagons.4 gallons in store wagon; rest to beretained at post.
2 gallons in store wagon; rest to beretained at post.
In oil cans under battery and store
wagons.1 gallon in store wagon; rest to beretained at post.
5 pounds in store wagon; rest to beretained at post..do
Not carried in field.
In cleaning material and small-stores chest.
In store wagonIn store at post20 pounds in cleaning-material
chest.
Sandpaper, No. 1\ quires. . I In cleaning material and small-stores chest.
Sandpaper, No. 1J doSandpaper, No. \ doSandpaper, No. 00 doSoap, castile pounds. .
Soap, H & H, cakes or"Paco"...Soap, saddle, Frank Miller's, pounds,1-pound tins.
Sponges, 5-inch
Sponges, large size, 5^ or 6 inch
Turpentine gallons. .
Waste, cotton, pounds, white
.do.dodo
In store wagon .
do...do...
Wicks, lantern, size
Tape, black adhesive, f-inch wide,*-pound roll.
1 Only one of these items will be issued to an organization.
35 in store wagon; rest to be re-
tained at post.In store wagonIn store at post10 pounds in store wagon; rest to beretained at post.
In cleaning-material chestIn store wagon ,-.
Sec-tion.
10
48
Statement of total equipment of one 3.8-inch gun battery Continued.
Horsebat-
tery.
49
Statement of total equipment of one 3.8-inch gun battery Continued.
Horsebat-
ti-ry.
50
Statement of total equipment of one 3.8-inch gun battery Continued.
No.
3510333325121021
1
4
31
2223322301
31
44121621
32
8433
1
182312
40360252
1
1
1
25
2
INDEX.
A.Page.
Accessories (for battery wagon), list of 40Accessories (for caisson), list of '.V 39Accessories (for forge limber), list of - 40Accessories (for gun and carriage), list of 36Accessories (for limber), list of '. 38Accessories (for store limber), list of 41Accessories (for store wagon), list of .% 40Allowance of supplies 47
Ammunition, allowance of 13
Ammunition, blank 14
Charge for 14
Preparation 14
Ammunition, fixed 12
Ammunition, list of 44Ammunition carriers .- 25
Apron (for carriage), description 25
B.
Battery wagon, model of 1902 33Blacksmith's tools, list of 46Brake rod spring cover 25Brake segment rack 25Breech mechanism 9
C.
Caisson 30
Caisson, nomenclature 30
Caisson, weights, dimensions, etc 30
Carpenter's tools, list of 45
Carriage 17
Carriage, nomenclature 17( 'arriage, weights, dimensions, etc . .'. 17
Cartridge case, description 12
Chest body (for limber) 29Chest body (for caisson) 33Chest front (limber) 29Chest front (caisson) 33Chest front tees 33
Collars, spare parts for, list of. 43Cradle 24
Cylinder, to fill 25
D.
Diaphragm (for caisson) 33
Diaphragm brace 33Door tees (limber) 29Door tees (caisson) 33Drill cartridge 14
(51)
52
E.
Page.
Elevating gear 24
Equipment, list of 36
Equipment, horse, list of -. 44
Equipment, instruction, list of 43
Equipment, miscellaneous, list of 43
Equipment, personal, list of 44
Equipment, range finding and fire control, list of 42
Equipment for one 3.8-inch battery, statement of total 36
Equipment, target, list of 44
F.
Forge limber 33
Fuzes, F. A., combination 13Parts of 13Action of 13
Fuze setter, hand, model of 1913, description 14
Operation 15Fuze setter, hand, old model, description
Adjustment 16
Adaptability to other guns 16
Fuze setter (caisson)v. 33
G.
Gun, model of 1907 9
H.
Harness, list of 42
Harness, spare, list of 43
Hatchet blade bracket 30Hood 25
Hubcap... 25
L.
Limber 26
Limber, nomenclatureLimber, weights, dimensions, etc 26
Lock barLock washer 25
M.
Main shield 25
Material, cleaning and preservation, allowances of for six monthsMaterial, saddler's, allowance of for six months 48
N.
National Guard, repairs for 34
O.
Oils for Artillery materiel 34
Oil can holder (limber) 30
P.
Plates, list of 6
Primer, 110 grain percussionProjectiles
Propelling charge
R.
Range table for 3.8 inch gunRepairs for Field Artillery materiel
Rocker.. 24
s.
Pago.
Saddler's tools, list of 45
Shell, common steel 12Shield 25Shield brace 25
Shrapnel, common 13
Sights, list of 41
Spare parts (for caisson), list of 39
Spare parts (for carriage), list of 37
Spare parts (for gun), list of 37
Spare parts (for limber), list of 39
Spare parts, miscellaneous, list of 43
Spare parts of accessories, list of 41
Spare sights, list of 42Store limber 33Store wagon 33
Supplies kept in reserve, list of 50
T.
Tools (for battery wagon) ,list of 40
Tools (for caisson), list of 39Tools (for forge limber), list of 40Tools (for gun and carriage), list of 36Tools (for limber), list of 38Tools (for store limber), list of 41Tools (for store wagon), list of 40
Transportation by rail, method of loading a battery 34
Traversing mechanism, description 24
Traversing mechanism, to dismount 25
Traversing clip 24
Traversing plate 24
Traversing worm shaft 25
W.Wheels 24
Wheel, to remove 25Wheel fastening 24Wheel fastening, to remove 26Wheeled materiel, list of 36
WAR DEPARTMENT,OFFICE OF THE CHIEF OF ORDNANCE,
Washington, January 29, 1917.
Form No. 1773.
EJ. Jan. 19-17-300.
UNIVERSITY OF CALIFORNIA LIBRARYBERKELEY
THIS BOOK IS DUE ON THE LAST DATESTAMPED BELOW
Books not returned on time are subject to a fine of50c per volume after the third day overdue, increasingto $1.00 per volume after the sixth day. Books not indemand may be renewed if application is made beforeexpiration of loan period.
'JAN 16 1918
50m-7,'16
UNIVERSITY OF CALIFORNIA LIBRARY