First tank produced, September 6, 1915

First tank produced, September 6, 1915

How much did a tank cost when it was invented? - Quora

September 6, 1915, first tank made - America Comes Alive

September 6, 1915, first tank made - America Comes Alive

Tanks in WWI - Museum of The American G.I.

How Britain Invented The Tank In WW1

Little Willie - The Tank Museum - World's first tank

Cold War US MBT Prototypes Archives - Tank Encyclopedia

File:A tank, with guns apparently firing, crossing a trench or shell-hole. The tank appears