Waygood-Otis Controller car switch control
Waygood-Otis Controller car switch control, direct current
Hi-Res image available upon request
Picture No
12517366
Media ID
48979002
Credit
Mary Evans Picture Library
Source
Illustration in a catalogue, Waygood-Otis Lifts, DD1
Date
1923
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Controller Current Direct Elevator Elevators Lift Lifts Mechanical Otis Switch Waygood
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