- Brad's little Marquette LE80 hydraulic governor in the PMC collection.
- The little Marquette governor on display.
- The Marquette hydraulic governor name plate.
- Collecting Prime Mover Controls along the way.
- Marquette hydraulic governor. 5
- Below the fuel control lever is the fly-ball, speeder spring, and pilot valve assembly.
- The cover removed to look inside.
- From the vintage advertisement collection.
- Pickering Governors for 1958.
- Woodward... At the Heart of the System Since 1870.
- Amos Woodward was an obsessive tinkerer and inventor. This is the first Woodward governor from patent number 103,813 on May 31st, 1870.
- Woodward Glossary of Control Names along the way.
- Woodward Glossary of Control Names. Page 1.
- IT ALL BEGAN BACK IN 1870...
- Documenting the evolution of the Woodward governor system.