Otis 7039 was an Otis elevator selector, for AC two speed elevators. This selector was used from 1950s?-1970s?. This model of selector might have only be used in the United Kingdom. It was most likely not used in the United States.
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Otis 7039 was an Otis elevator selector, for AC two speed elevators. This selector was used from 1950s?-1970s?. This model of selector might have only be used in the United Kingdom. It was most likely not used in the United States.
