presentación iii
TRANSCRIPT
The english work
Transport after 1492
The ships and The Discovery of America.
The ships were very big
The Steamboat 1786
The Ferry XVII
Submarine 1890
Land vehicles
The stagecoach XVI
The Car 1886
The train XVIII
Air Vehicles
Hot Air Ballon 1783
Biplane 1919
Glider 1891
Supersonic plane 1969
Zeppelin 1936