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Alexander Nathan
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Individual
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17,824. Nathan, A. July 29. Tramcar bells or alarms 21 are actuated electrically by depressing a pivoted spring arm 8, which by means of the projection 10 depresses the disc 13, and thus the terminal disc 17 into contact with the disc 18 which completes the bell circuit 22. The discs 17, 18, which are suitably insulated, surround a vertical shaft 6 by the rotation of which, in the case of an electromotor car, the car may be started.
GB189717824D1897-07-291897-07-29Improvements in Electric Alarms for Cars.
ExpiredGB189717824A
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