Early Steam Tractor Design

A look at some of the oddest tractors

No. 5. The 'slide trombone' approach to solving the tough up-hill tractor battle for traction on farm lands. In 1872 James W. Evans, of New York,  patented this one, which didn't get much farther than a front page picture on the American Artison.
No. 5. The "slide trombone" approach to solving the tough up-hill tractor battle for traction on farm lands. In 1872 James W. Evans, of New York,  patented this one, which didn't get much farther than a front page picture on the American Artison.
from the collection of F. Hal Higgins