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- 4-1. Woodward cabinet actuator governor ''Twin System'' type.
- 4-2
- 4-3
- 4-4
- 4-5
- 4-6 GOVERNOR DATA.
- BARNHART ISLAND HYDRO POWER HISTORY.
- 556
- Legacy turbine water wheel governor history project. 14.
- Legacy turbine water wheel governor history project. 13.
- Legacy turbine water wheel governor history project. 12.
- Legacy turbine water wheel governor history project. 11.
- Legacy turbine water wheel governor history project. 9.
- Legacy turbine water wheel governor history project. 8.
- Legacy turbine water wheel governor history project. 7.