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- Advances in Hydro equipment.
- Page 6.
- Page 5.
- Page 4.
- Woodward Governor Company's bid for a Hydro-electric power plant governor system, circa 1916. 3
- Woodward Governor Company's bid for a Hydro-electric power plant governor system, circa 1916. 2
- Woodward Governor Company's bid for a Hydro-electric power plant governor system, circa 1916.