- More donated vintage blueprints of hydro turbines.
- Woodward Oil Pressure Relay Valve Water Wheel Governor history.
- Prime Mover Control blueprint drawing history.
- WOODWARD GATE SHAFT OIL PRESSURE GOVERNOR HISTORY.
- ELMER WOODWARD'S NEW TYPE OF OIL PRESSURE WATER WHEEL GOVERNOR '' GATESHAFT'' TYPE.
- Historical notes on the Woodward compensating type water wheel governor.
- PMC blueprint history.
- Blueprint drawing history saved from the trash.
- From the archives, circa 1963.
- Commonly Used Gas Turbine Engine Symbols.
- Prime Mover Control blueprint drawing history.
- Gas Turbine Engine Glossary.
- WOODWARD GATE SHAFT OIL PRESSURE GOVERNOR HISTORY.
- Commonly Used Gas Turbine Engine Symbols. 2.
- Jet engine control history, circa 1963.