Killen-Straight armored tractor, a contender for the title of "First Tank". I guess I didn't really know that tanks evolved from tractors, but it makes perfect sense. The treads were chain and hardwood!
https://s3-us-west-1.amazonaws.com/h...d_tractor1.jpg
https://s3-us-west-1.amazonaws.com/h...d_tractor2.jpg
https://s3-us-west-1.amazonaws.com/h...d_tractor3.jpg
https://s3-us-west-1.amazonaws.com/h...d_tractor4.jpg
More:
Killen-Strait Armoured Tractor
https://en.wikipedia.org/wiki/History_of_the_tank
Previously:
https://www.homemadetools.net/forum/...2504#post96473
https://www.homemadetools.net/forum/...026#post134078
https://www.homemadetools.net/forum/...2519#post96514
https://www.homemadetools.net/forum/...1317#post74166
https://www.homemadetools.net/forum/...250#post116082
https://www.homemadetools.net/forum/...914#post119742
https://www.homemadetools.net/forum/...989#post125173
https://www.homemadetools.net/forum/...839#post133520