- Woodward Governor Company's bid for a Hydro-electric power plant governor system, circa 1916.
- Bulletin 25010A (second revision is the letter A).
- 1937 Woodward cabinet actuator governor control application.
- 1937 hydro power development with a new type of governor control 001-xx
- Woodward Governor Company's bid for a Hydro-electric power plant governor system, circa 1916. 2
- GILBERT GILKES PELTON TYPE TURBINES.
- Woodward Governor Company's shop order #1845, circa 1909.
- Advances in Hydro equipment.
- ROLE OF THE GOVERNOR.
- PRIME MOVER ENERGY CONTROL HISTORY....
- Woodward Governor Company's shop order #1845, circa 1909.
- Page 4.
- Woodward Governor Company's bid for a Hydro-electric power plant governor system, circa 1916. 3
- Woodward Governor Company's shop order #1845, circa 1909.
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