Bosworth Firefinder

The 1928 Bosworth Firefinder was invented in northern Idaho by Jim Bosworth. It was built like an army tank, but also weighed “a ton”, so it found little acceptance outside USFS Region-1.

Ole Hafterson at his Bosworth Firefinder, Jackknife Lookout, Coeur d’Alene NF, 1932
Bosworth Firefinder still in use at Pilot Knob Lookout, Nez Perce NF
Bosworth Firefinder, Fire Lookout Museum, Spokane, WA