- Bulletin 36001, page 3.
- Bulletin 36001, page 2.
- The new Woodward type PG diesel engine governor, circa 1951.
- WATER POWER ENGINEERING, CIRCA 1908.
- Diagramatic Section of Woodward Compensating type water wheel governor, circa 1908.
- Vintage Woodward compensating type governor Size D and C Factory photo
- Factory photo of a Woodward Water Wheel Governor and a Pelton Turbine.
- Vintage Woodward hydraulic governors from patent number 1,106,434., circa 1912.
- Woodward hydraulic governors from patent number 1,106,434., circa 1912.
- Madison Railroad tracks in lake Monona in 1955(MX tower).
- The first original picture that started the Madison, Wisconsin history tour through time.
- Manual 04022L
- WOODWARD SG SERIES GOVERNOR SCHEMATIC DRAWING.
- SG GOVERNOR BULLETIN 04003 PAGE 14.
- SG GOVERNOR BULLETIN 04003 PAGE 13.