- PELTON WATER WHEEL COMPANY HISTORY.
- Woodward Governor Company builder photo of their compensating type governor.
- IT ALL BEGAN IN 1870 WITH ONE MAN.
- Amos Woodward's new 1892 Water Wheel Governor Catalogue.
- A Glocker-White hydraulic water wheel governor at the Niagara Fall power company.
- WOODWARD GOVERNOR COMPANY'S MOST POWERFULL GOVERNOR.
- WOODWARD HORIZONTAL TYPE WATER WHEEL GOVERNOR HISTORY.
- LARGEST WOODWARD GOVERNOR MADE UPTO 1910.
- WOODWARD GOVERNOR COMPANY CATALOGUE FROM THEIR FACTORY AT 658-660 RACE STREET, CIRCA 1908.
- Woodward compesating type water wheel governor.
- The original photo was used for a 1908 Woodward water wheel governor catalogue.
- ELMER WOODWARD'S WATER WHEEL CATALOGUE FROM THE 1930'S.
- Vintage Woodward compensating type governor factory photo.
- Woodward Governor Company catalog, circa 1908.
- Factory photo of a Woodward compenensating type D water wheel governor.