Early Steam Tractor Design

A look at some of the oddest tractors

No. 22. First U.S. improvement on the Thomson 3-wheel rubber-shod steam tractor that arrived in San Francisco from Scotland late in 1870 to wait the Jan. 1, 1871, date for lifting import duty. Here is the San Francisco-built Hyde steamer haluing the columns for the State Captiol at Sacramento.
No. 22. First U.S. improvement on the Thomson 3-wheel rubber-shod steam tractor that arrived in San Francisco from Scotland late in 1870 to wait the Jan. 1, 1871, date for lifting import duty. Here is the San Francisco-built Hyde steamer haluing the columns for the State Captiol at Sacramento.
from the collection of F. Hal Higgins