I don't what it is. Some kind of machinery...
Bulldog hood ornament on Mack truck
"Don't follow too close!"
Mack Bulldog Logo
Old gas pump
Who are they kidding?
Valve mechanism, solarized
Idler Pulleys on Allis-Chalmers Corliss Engine
Steering gear of the J.I. Case Steam Tractor. The rack and pinion turns a worm gear that pulls on the chains connected to the front wheels.
Eagle logo on the front of a Case stationary tractor
Hood Ornament/Temperature Guage on 1926 Ford Model A
1924 Mack Model AC "Bulldog"
Caterpillar tractor in high-contrast solarization