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Expired
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British Thomson Houston Co Ltd
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British Thomson Houston Co Ltd
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Application filed by British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
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Publication of GB190113623ApublicationCriticalpatent/GB190113623A/en
13,623. British Thomson-Houston Co., and Cubitt, A. S. July 4. Switches. - Bell p u s h e s comprise two spring contactplungers 3 c o n - nected to the conductors and mounted in a casing 2, which is secured to a base 8 by a screw ring 10. An outer casing 1 is also screwed on the base and carries an insulated contact-plate 4 attached to the thumb-piece 15 and to a spring by a plate 5 with ears 7.
GB190113623D1901-07-041901-07-04Improvements in Push-switches for Electric Bells.
ExpiredGB190113623A
(en)