Waygood-Otis Controller car switch control
Waygood-Otis Controller car switch control, alternating current
Hi-Res image available upon request
Picture No
12517365
Media ID
48978977
Credit
Mary Evans Picture Library
Source
Illustration in a catalogue, Waygood-Otis Lifts, DA1
Date
1923
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Alternating Controller Current Elevator Elevators Lift Lifts Mechanical Otis Switch Waygood
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