- Pickering Governors for 1958.
- From the vintage advertisement collection.
- Below the fuel control lever is the fly-ball, speeder spring, and pilot valve assembly.
- The cover removed to look inside.
- Marquette hydraulic governor. 5
- Collecting Prime Mover Controls along the way.
- The little Marquette governor on display.
- The Marquette hydraulic governor name plate.
- Brad's little Marquette LE80 hydraulic governor in the PMC collection.
- World's smallest hydraulic governor.
- The granddaddy of all the Woodward governors in the Prime Mover Control collection.
- Along the home office desk.
- Documenting the evolution of the Woodward Governor Company one history book at a time.
- A kite view of the Rockford Waterpower District in the 1890's.