Ford 2 man tank, WW1

Ford 2-man, 3 ton tank, World War I.

max. speed 8 mph, two Ford Model T engines, one cal. 30 machine gun

 http://digitalcollections.detroitpubliclibrary.org/islandora/object/islandora%3A202218#sthash.KEYpvx5q.dpuf