- Hydro-Electric Power history, circa 1924.
- WO 1
- Woodward's new friction water wheel governor, circa 1887.
- WO 3, CIRCA 6-21-1935
- CUT 1
- WO page 1
- Parts list
- WO 2
- CUT 4
- CUT 3
- CUT 2
- Lucas Aerospace Company's jet engine fuel control for the Rolls Royce SPEY 511 series engine.
- POWER AND THE ENGINEER, CIRCA 1908. PAGE 1.
- POWER AND THE ENGINEER, CIRCA 1908.
- img179