- Drawing showing a rare Woodward type PG 500 hydraulic turbine water wheel governor.
- 20 SAMSON TURBINE 16FT HD 50 HP CA 1916 001
- Elmer E. Woodward's propeller engine governor patent 2204640
- BLUE PRINT OF A HYDROELECTRIC DAM SITE 3
- WGC 8
- Oldwoodward.com blueprint history.
- These little three pound Woodward PM series governors controlled the fuel in the Mack truck engines in the 1950's.
- Elmer E. Woodward propeller engine governor patent 2204640
- Woodward propeller governor with a beta valve.
- Woodward Aircraft Propeller Governor 004
- Oldwoodward.com blueprint history.
- Blueprint history is fun!
- PMC blueprint history.
- Circa 1952 assembly of a impulse turbine by the Pelton Water Wheel Company 001
- Blueprint history is fun!