- WOODWARD GOVERNOR TABULATION DATA.
- WOODWARD OIL PRESSURE WATER WHEEL GOVERNOR TABULATION CHART, CIRCA 1947.
- Patent page 5.
- Patent page 4.
- Patent page 3.
- Patent page 2.
- Patent page 1.
- Patent number 1,106,434. Sheet 2 0f 2.
- Patent number 1,106,434, circa 1914.
- Speer Products Company letter. Page 3.
- Speer Products Company letter. Page 2.
- Mechanical size D governor serial number 6039, circa 1958. Page 1.
- Speer Products Company letter to Woodward, circa 1958.
- WOODWARD SIZE D WATER WHEEL GOVERNOR SERIAL NUMBER 6039, CIRCA 1946.
- WOODWARD SIZE D COMPENSATING TYPE WATER WHEEL GOVERNOR DATA, CIRCA 1922.