- Two Woodward gate shaft governor control columns in the Midway Village Museum in Rockford, Ill.
- A Woodward legacy "gate shaft" type turbine water wheel governor still in operation in Wisconsin.
- Woodward... At the Heart of the System Since 1870.
- The Woodward legacy ''gate shaft'' turbine water wheel governor.
- Woodward governor history saved one page at a time.
- WATER OVER THE DAM.
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- ALLIS-CHALMERS Electrical Review Magazine.
- CONTENTS