117 photos
Just think how long it took to hand draw all the technical components to each governor.
- John Herschel created the blueprint process in 1842.
- GLOB MILLS BLUEPRINT, CIRCA 1899.
- More donated vintage blueprints of hydro turbines.
- Prime Mover Control blueprint drawing history.
- Prime Mover Control blueprint drawing history.
- Historical notes on the Woodward compensating type water wheel governor.
- PMC blueprint history.
- Blueprint drawing history saved from the trash.
- WOODWARD GATE SHAFT OIL PRESSURE GOVERNOR HISTORY.
- WOODWARD GATE SHAFT OIL PRESSURE GOVERNOR HISTORY.
- Woodward Oil Pressure Relay Valve Water Wheel Governor history.
- ELMER WOODWARD'S NEW TYPE OF OIL PRESSURE WATER WHEEL GOVERNOR '' GATESHAFT'' TYPE.
- Blueprint drawing history saved from the trash.
- Prime Mover Control blueprint drawing history.
- Blueprint drawing history saved from the trash.