Collection Item Summary:
"Curtiss Controllable Pitch Propeller. Note: Blade unit and power unit assemblies." Date stamped on reverse April 22, 1931. Close-up side view of Curtiss controllable pitch propeller on stand, partially disassembled to show inner details; possibly part of a display at the 1931 All-American Aircraft Show held in Detroit, Michigan.
Collection Item Long Description:
- Propulsion systems