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rotary switch. In DICTIOUS you will not only get to know all the dictionary meanings for the word
rotary switch, but we will also tell you about its etymology, its characteristics and you will know how to say
rotary switch in singular and plural. Everything you need to know about the word
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English
Noun
rotary switch (plural rotary switches)
- (electrical engineering) A switch that is operated by turning a knob.
1961 October, “More programme machines for L.T. Northern line”, in Trains Illustrated, page 625, photo caption:A close-up of the very compact desk unit for control of the East Finchley programme machine from Leicester Square; the rotary switches at the top are used to set up the train number of any service to be added or cancelled.
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