- Vintage Woodward propeller governors CSSA type Hamilton Standard series 1P12-A and the Woodward series 400810
- View of the speeder spring and pilot valve parts
- View of the propeller engine governor type 1P12 component assembly
- The propeller governor body dissassembled
- The pilot valve and head components
- The oil pump taken off the governor body
- The head assembly components
- The head assembly
- The Hamilton Standard type 1P12 propeller engine governor manufactured by the Woodward Governor Company in 1953
- The Hamilton Standard type 1P12 propeller engine governor manufactured by the Woodward Governor Company in 1953
- The gear end
- The gasket on the bottom of the governor
- The engine gear end
- HAMILTON STANDARD TYPE 1P12-A MADE BY WOODWARD
- Hamilton Standard type 1P12-A governor