- THE NASH MOTORS COMPANY.
- Quote from the Woodward Governor Company's catalogue M, circa 1930's.
- Legacy turbine water wheel governor history project. 2.
- 14
- 12
- THE WOODWARD CABINET ACTUATOR GOVERNORS SYSTEMS ARE THE YELLOW UNITS.
- Interior of the Drum Power Plant.
- Legacy turbine water wheel governor history project. 9.
- 2
- 38
- 7
- Photocopy of photograph, no date. DETAIL OF SWITCHBOARD. (Courtesy of the Potomac Edison Company Library (Hagerstown, MD), Historical Data Files, Properties-Buildings and HAER WVA,2-HEDVI.V,1-60.tif
- Elmer Woodward's new oil pressure relay valve water wheel governor from his 1912 patent.
- Legacy turbine water wheel governor history project. 8.
- Legacy turbine water wheel governor history project. 14.