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William Miller Walters
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Circuit Arrangement For Electric Light Sources In General
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Abstract
632. Walters, W. M. Jan. 10. Switches.-A switch c, h, for an incandescent lamp connected by wires i, i<1>, is enclosed under a transparent cover with a small lamp g, which may be connected by placing the switch arm on a central contact e. The switch arm carries a spring pin to engage a notched metal strip j. Current is supplied by wires b, b<1>.
GB189800632D1898-01-101898-01-10Improvements connected with Electric Lamps and Switches.
ExpiredGB189800632A
(en)