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Ashokan Lower gate-chamber, with electrically-driven valves, vertical genartor operated by water turbine and overhead traveling crane. Contracts 31, 42, 43 and 56. August 31, 1917.

Ashokan Lower gate-chamber, with electrically-driven valves, vertical ...

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description