- Marquette Metal products Company Governor History.
- Marquette Metal Products Company History.
- Marquette hydraulic governor history.
- Two EMD diesel engines controlled by Marquette governors
- One of two EMD diesel engines in the Tug Boat John Purves.
- Patent number 2,219,229.
- Patent number 2,219,229. Sheet 3.
- Patent number 2,219,229. Sheet 2.
- MARQUETTE GOVERNOR FROM PATENT NUMBER 2,219,229.
- Patent number 2,219,229.
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