Early Steam Tractor Design

A look at some of the oddest tractors

No. 17. This walking tractor was one of the 'ingenious' inventions patented in the late 1870s when efforts to produce a practical 'steam plow' had reached a standstill, this one by John E. Praul. It at least flattered the horse's principle of locomotion.
No. 17. This walking tractor was one of the "ingenious" inventions patented in the late 1870s when efforts to produce a practical "steam plow" had reached a standstill, this one by John E. Praul. It at least flattered the horse's principle of locomotion.
from the collection of F. Hal Higgins