- TRUMP MFG COMPANY, CIRCA 1921.
- WGC SIZE D SN 4341
- An original 1918 tracing paper drawing of a Woodward size D water wheel governor installation.
- An original tracing paper drawing from 1918 showing the schematic drawing of a Woodward water wheel governor application.
- Obsolete governor types, circa 1951.
- Elmer Woodward adjusting his patented compensating type water wheel governor in a Canadian Paper Mill.
- Elmer Woodward adjusting and calibrating a governor.
- Elmer Woodward installing a new Woodward size D governor in 1904 at the Lachine Canal power house -la
- Elmer installing his Woodward size D governor in 1904 at the Lachine Canal power house -la
- Type of water wheel governor in the 1931 letter to Woodward.
- An Amos Woodward size 3 water wheel governor.
- An Amos Woodward size 3 water wheel governor (showing the first 2 governor patent dates only).
- New line of Woodward oil pressure governors for 1912
- Elemer E Woodward Electrical World Volume 80, circa 8-5-1922
- HYDRAULIC MACHINERY 2