- Patent number 2,668,519. 7 - 8.
- A Hamm's Beer Flat Top can, circa 1953.
- 01004 2
- 01004 3
- 01004 4
- Woodward bulletin 01007. A SI(PG) series fuel control drawing.
- Woodward bulletin 01007.
- 01008 2
- 01008
- Woodward air operated governor test stand bulletin 01023
- 01038
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- The Ruder Brewing Company in Wausau, Wisconsin.