naiiunal marine fisheries service ligkarvim 898, mine identification...northeast...
TRANSCRIPT
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NORTHEAST REGION
DIAMETER-13"LENGTH-37"WEIGHT- 60#
Alternate shape
DIAMETER - 21'1.23"LENGTH- 9s-101WEIGHT- 2000#
NAIIUNAL MARINE FISHERIES SERVICEEXTENSION DIVISION
ligkARVIMEMERSON AVE. GLOUCESTER, MA. 01930
SAFE HANDLING OF EXPLOSIVES CAUGHT IN FISHING GEAR
FISHERMEN OPERATING OTTER TRAWLS, SCALLOP DREDGES AND OTHER FORMSOF BOTTOM TENDING GEAR ARE WARNED THAT BOTH EXPLOSIVE AND NON-EXPLO-SIVE ORDNANCE MAY BE PRESENT ON FISHING GROUND'; ADJACENT TO THE U. S.COAST. RECORDS INDICATE THAT SNAGGING OF EXPLOSIVES IN FISHING GEAR ISOCCURING WITH INCREASING FREQUENCY. MILITARY AUTHORITIES HAVE PRO-VIDED THE FOLLOWING INSTRUCTIONS FOR HANDLING EXPLOSIVE ORDNANCE ORANY OBJECT NOT READILY IDENTIFIED AS A NON-EXPLOSIVE ITEM THAT MAY BESNAGGED OR NETTED IN FISHING GEAR.
1. ANY OBJECT NOT READILY IDENTIFIED MUST BE TREATED AS ANEXPLOSIVE. DO NOT ATTEMPT TO BRING IT ON BOARD OR ALONGSIDE.RELEASE IT AND NOTIFY THE NEAREST COAST GUARD STATION GIVINGYOUR POSITION AND DESCRIPTION OF THE OBJECT.
2. IF UNABLE TO RELEASE THE OBJECT STREAM IT AFT AS FAR AS POSSIBLE.KEEP CREW.AT FORWARD END OF VESSEL AWAY FROM THE STERN.MAINTAIN STEERAGEWAY AS NECESSARY TO STAY IN AREA UNTIL IN-STRUCTIONS ARE RECEIVED AND STANDBY FOR ASSISTANCE.
THE FOLLOWING ILLUSTRATIONS DEPICT THE EXPLOSIVES MOST LIKELY TO BEENCOUNTERED.
Alternate shape
DIAMETER - 34"WEIGHT- 480-510*
DIAMETER - ur-23"LENGTH - 5'-- 7WEIGHT-1000-2000 #
DIAMETER - 18"LENGTH- 28'WEIGHT- 250#
DIAMETER- 10"- 21"LENGTH- 8' -20'WEIGHT- 400-4000#
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NAVY DEPARTMENTBUREAU OF ORDNANCE
WASHINGTON, D. C.
OCTOBER 1943.
RESTRICTED
ORDNANCE PAMPHLET NO. 898 (FIRST REVISION).
MINE IDENTIFICATION MANUAL.
1. Ordnance Pamphlet Number 898, First Revision, contains outline drawings of all typesof mines in general use.
2. It is intended that this publication be given wide distribution to forces ashore and afloatfor the purpose of identifying mines which may be encountered and to . facilitate reports thereon.
3. This publication supersedes such parts of Ordnance Pamphlet 814 (Mine Watch Manual)as pertain to identification of mines. Ordnance Pamphlet No. 898 dated October 1942 is herebysuperseded and should be destroyed upon receipt of Ordnance Pamphlet No. 898, First Revision.
4. This publication is restricted and should be handled in accordance with the provisions ofArticle 76, U. S. Navy Regulations, 1920.
W. H. P. BLANDY,Rear Admiral, U. S. Aravy,
Chief of the Bureau of Ordnance.
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MINE IDENTIFICATION MANUAL
TYPES OF MINES
1. Present-day mines may be divided intotwo general classifications—"controlled" and"independent." Controlled mines are mineswhich are controlled (fired) by an observerfrom a safe observation point. Independentmines are mines with self-contained firing mech-anisms which 'function automatically. Inde-pendent mines may be subdivided as "contact"and "noncontact" or "influence" mines. In theformer, the firing mechanism requires that anextending "horn" be moved or bent or that awire "antenna" or some part of the mine betouched for the mine to fire. In the latter, themere existence of metal, sound, or other disturb-ing influence in the vicinity of the mine may beall that is necessary to cause it to fire. Theexternal appearance of a mine will not, in manycases, indicate the type firing mechanism used.
2. Independent mines may be divided intothree types, depending on their final position inthe 'water. These are :
(a) Drifting Mines.—Mines which float onor just under the surface of the water.
(b) Moored Mines.—Mines which are heldunder the surface of the water by a chain orwire attached to a heavy weight or "anchor"which rests on the bottom.
(c) Ground Mines.—Mines which are heav-ier than water and rest on the bottom.
METHOD OF LAYING
3. All types of independent mines can belaid by aircraft, surface craft, and submarines.Controlled mines are laid by special surfacelayers.
IDENTIFICATION
4. The following points may be considered inidentifying mines:
(a) Color.—Mines are normally paintedblack but may be other colors and are occasion-
ally camouflaged. This paint frequently wearsoff, exposing . red paint underneath. Wheremines have been in the water for a long time,heavy marine growth may completely coverthe case and external fittings.
•(b) Size and Shape.—Mines are usuallyspherical, spherical with a cylindrical sectionbetween the two halves, or cylindrical in shape,and vary in diameter from about 16 inches to 46inches, and in length up to about 125 inches.There are, however, a number of mines of ir-regular shape which do not fall into any ofthe above classes.
(c) External Fittings.—Numerous fittingswhich are located in or extend from mine casesmay be used for purposes of identification.These include :
(1) Cover Plates.—Either one or both endsof mine cases are usually covered by cover platesbolted to the mine case. These plates normallyvary from one to two feet in diameter.
(2) Horii.s.—Approximately two-thirds of allmines have horns extending from the mine case.These horns vary in length from 1/2 inch to over1 foot, but are normally about.5 inches in length.The three most common types are a short cop-per spike, a long steel spike, and a thick leadhorn. Where used, they vary in number from3 to 11. Horns of mines which have brokenadrift are frequently bent or entirely broken off.
(3) Hydrostats.—Many mines contain one ormore devices located in holes in the mine casefor operating mechanisms within the mine.These devices usually do not extend beyond themine case.
(4) Mooring Wires and Antennae.—Mosttypes of mines are connected to steel mooringwires or chains at one end. Several types havecopper antenna wires (not over 100 feet inlength) connected to the other end. These an-tennae are usually attached to steel floats (inmost cases about 1 foot in diameter and 11/2 to2 feet in length), painted black and occasionally
(1)
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2
;4,
containing horns. Mine sweeping cables ornormal wear may cause the float and any partor all of either mooring cable or antenna to bemissing. Floats are frequently found by them-selves, and as such are harmless.
5. In order to facilitate identification, themines in this publication are arranged in thefollowing order :
(a) Spherical mines.
(1) Without horns.—Arranged in order ofdiameter with small mines first.
(2) With horns.—Arranged as above.Where two or more mines of same diameter areshown, the one with the fewest horns is shownfirst.
(b) Spherical with center section.—
(1) Without horns.—Arranged in order ofdiameter. Mines of same diameter are ar-ranged in order of length.
(2) With horns.—Same as without horns.
(c) Mines with antennae and floats.
(1) Spherical mines.—Arranged in order ofdiameter.
(2) Spherical mines with center section.—Same as (b) (1).
(d) Cylindrical and odd-shaped mines.—Same as (b) (1). Where a mine of a given typemay be of more than one size, it is located bythe smallest size.
.•
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TOP VIEW BOTTOM VIEW
TYPE-121NO HORNS
SIDE VIEW
3
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TYPE-I25
NO HORNS
SIDE VIEW
4
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TYPE-31NO HORNS
SIDE VIEW
5
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• TOP VIEW BOTTOM VIEW
TYPE-I40
4-LEAD HORNS
DIMENSIONS NOT KNOWN
SIDE VIEW
6
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TOP VIEW. BOTTOM VIEW
TYPE- 905-LEAD HORNS
SIDE VIEW 7
561343 O - 43 2
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TYPE- 454-HORNS
SIDE VIEW
8
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TYPE-346- SPIKE HORNS
SIDE VIEW
9
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TYPE- 2 17-SPIKE HORNS
1 0
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TYPE- 15
8-SPIKE HORNS
SIDE VIEW
1 1
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TYPE-87
5- LEAD HORNS3- SPIKE HORNS
SIDE VIEW
12
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BOTTOM VIEW
TYPE- 89
5 - LEAD HORNS3- SPIKES
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TYPE•835-LEAD HORNS
SIDE VIEW
14
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TYPE-327-LEAD HORN S
SIDE VIEW 15
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TYPE-13
7- LEAD HORN S
SIDE VIEW
16
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TYPE-42
7 • LEAD HORNS
SIDE VIEW
17
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TYPE-845-LEAD HORNS
SIDE VIEW
18
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TYPE-855-LEAD HORN S
SIDE VIEW19
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TYPE-35
4-HORNS
SIDE VIEW
20
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TYPE-439-LEAD HORNS
SIDE VIEW
21
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TYPE-124
NO HORNS
SIDE VIEW 22
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TYPE-123NO HORNS
23
561343 0 - 43 - 4
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TYPE-122NO HORNS
SIDE VIEW 24
TOP VIEW BOTTOM VIEW
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TOP VIEW BOTTOM VIEW
TYPE-71
NO HORNS
SIDE VIEW
25
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TOP VIEW BOTTOM VIEW
TYPE- I
NO HORNS
SIDE VIEW
26 .
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SIDE VIEW21
TYPE-12
NO HORNS
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TYPE-I9NO HORNS
SIDE VIEW
28
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BOTTOM VIEW
TYPE-416-LEAD HORNS
SIDE VIEW29
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TYPE-I06NO HORNS
VARIATIONSA-NO SIDE PLATES.
6 INCH BAND CONNECTINGUPPER AND LOWER HEMI-SPHERS.
B-NO LOWER SIDE PLATESLIFTING LUGS 45 DEGREESAPART.
C-6 INCH BAND CONNECTINGUPPER AND LOWER HEMI-SPHERES -LIFTING LUGS45 DEGREES APART.
SIDE VIEW 30
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TYPE-1374-LEAD HORNS
SIDE VIEW31
561343 0 43 - 5
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TYPE- 82
5-LEAD HORNS
SIDE VIEW
32
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ActixEga3;.,c4.
TYPE- 61
4-LEAD HORNS
33
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BOTTOM VIEW
TYPE- 166-LEAD HORNS
SIDE VIEW
34
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TYPE-44
7-LEAD HORNS
SIDE VIEW35.
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BOTTOM VIEW
TYPE- 336-LEAD HORNS
SIDE VIEW36
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37
TOP VIEW BOTTOM VIEW
SIDE VIEW
SPIKE HORN
TYPE-14
9 OR II BRASS OR SPIKE HORS
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TOP VIEW
BOTTOM VIEW
TYPE- 86
7-LEAD HORNS
SIDE VIEW 38
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TOP VIEW
TYPE- 62
39
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TYPE- 64
40
TOP VIEW BOTTOM VIEW
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BOTTOM VIEW
TYPE-63
SIDE VIEW
41
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TYPE-65
3- COPPER HORNS
SIDE VIEW
42 _
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BOTTOM VIEW
TYPE-884 OR 6 LEAD HORNS
9-SPIKES ON SMALL FLOAT
SIDE VIEW
43
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TYPE 186-LEAD HORNS
SIDE VIEW
44
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TYPE- 67
45
TOP VIEW BOTTOM VIEW
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TYPE-72
46
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TYPE- 20
SIDE VIEW
47
TOP VIEW BOTTOM VIEW
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TYPE-17
4 OR 8 SPIKE HORNS
BOTTOM VIEW
SIDE VIEW 48
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TOP VIEW BOTTOM VIEW
SIDE VIEW
TYPE-46
6-HORNS
DIMENSIONS NOT KNOWN
49
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BOTTOM VIEWTOP VIEW
TYPE- 76NO HORNS
SIDE VIEW 50
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TOP VIEWS
ASIDE VIEWS
TYPE-81NO HORNS
BOTTOM VIEWS
51
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81."
SIDE VIEW
FRONT VIEW REAR VIEW
TYPE - 24NO HORNS
52
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SIDE VIEW
FRONT VIEW
REAR VIEW
TYPE -23NO HORNS
53
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TOP VIEW BOTTOM VIEW
•
19"
j0
54
TYPE-68NO HORNS
A
SIDE VIEW
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TOP VIEW BOTTOM VIEW
BOTTOM VIEW
TYPE-74SAME AS TYPE-70 EXCEPTFOR BOTTOM PLATE.
TYPE-70
NO HORNS
0
SIDE VIEW 55
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931!
SIDE VIEW
FRONT VIEW REAR VIEW
TYPE-- 22
NO HORNS
56
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TOP VIEW BOTTOM VIEW
TYPE-I01
NO HORNS
SIDE VIEW
57
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TOP VIEW BOTTOM VIEW
21"
TYPE- 66
3- LEAD HORNS
SIDE VIEW 58
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TOP VIEW BOTTOM VIEW
TYPE - 73NO HORNS
SIDE VIEW 59
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¶1
26 I:
O
o1nn•nn =WNW&
TOP VIEW BOTTOM VIEW
TYPE-107NO HORNS
SIDE VIEW 60
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TYPE-105NO HORNS
21"
Dili
TOP VIEW BOTTOM VIEW
SIDE VIEW 61
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21"
TOP VIEW BOTTOM VIEW
SIDE VIEW
TYPE-69
NO HORNS
62
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TOP VIEW BOTTOM VIEW
TYPE- 77NO HORNS
SIDE VIEW63
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TOP VIEW BOTTOM VIEW
TYPE-103NO HORNS
SIDE VIEW
64
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TOP VIEW BOTTOM VIEW
TYPE 104NO HORNS
USUALLY PAINTED LIGHT BLUE
SIDE VIEW
65
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TOP VIEW BOTTOM VIEW
TYPE - 78NO HORNS
SIDE VIEW 66
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TOP VIEW BOTTOM VIEW
6"
0
0
0
0
U
TYPE-IO2
NO HORNS
SIDE VIEW VIEW
67
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TOP VIEW BOTTOM VIEW
TYPE -2 5NO HORNS
SIDE VIEW
68
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TOP VIEW BOTTOM VIEW
TYPE-75NO HORNS
SIDE VIEW69
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DISTRIBUTION
Requests for copies - of OP 898 (1st Rev.)should be addressed to the nearest BuOrdPublications Distribution Center :
Commandant and SuperintendentU. S. Naval Gun Factory, Navy
YardWashington 25, D. C.
CommandantNavy YardMare Island, Calif.
Commander Service Force, SEV-ENTH FLEET
Ordnance Publications Subcenter,c/o Fleet Post OfficeSan Francisco, Calif.
Officer in ChargeOrdnance Publications SubcenterNaval Supply DepotPearl Harbor, T. H.
DISTRIBUTION :
Standard Navy Distribution List No.17 : 2 copies each unless otherwise noted.
1. b, c, k–q, s–u, w–hh, jj-11, nn, oo,qq, ss–ww, yy; 1. (4 copies), g, j; 1. (6
copies). a; 1.(15 copies), d, e, r, zz;2.a–y, aa–dd, ff–jj ; 3.; B3.(5 copies),LIONS, CUBS, ACORNS; E3.; 4.;5.a–e; 6.(10 copies), h; 6.(100 copies),(for distribution to vessels other thanU. S. Naval Vessels), a–g, i–n; 7.d, i-1,p, x; 7.(5 copies), f–h, q, s, aa; 7.(10copies), a, b, c, r; 8.h(No. Beach only),i, 1, n(SPECIAL LIST L, Q, AA), x,y; 8.(5 copies), n(SPECIAL LIST V),n(10), q, r, v; 8.(10 copies), h(Exp.Invest. Lab.), n(SPECIAL LIST P,X), t; 8.(15 copies), j, n(SPECIALLIST K) 8.(25 copies), h(NOL) ; 8.(50copies), n (SPECIAL LIST G Mine Dis-posal School only), s; 8.(100 copies),n(SPECIAL LIST G except Mine Dis-posal School ) , 10.(10 copies ) , s (exceptSanFran, New York and New Orleans) ;10. (25 copies), nn ; 10.(30 copies), s(NewOrleans only) ; 10.(50 copies), s(NewYork and SanFran only) ; 11.(1 copy),a(SecNav, Pub. Div.) ; 11.(5 copies),a(BuShips, BuAer); 11.a(CNQ);11. (500 copies), a (ComdtIVIarCorps) ;12.b; 12.(6 copies), a; 14.(300 copies),a; (15 copies), OCO, War Dept.
(70)
U. I. GOVERNMENT PRINTING OFFICE: 1143