Lamp Switch

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A single-pole lamp switch commonly used in the early twentieth century. It could control a single circuit or any number of circuits within its capabilities. When the knob (h) is turned to the right, and the connected spring (p) is wound as far as possible, the blade (k) is loosened from the contact tips (s) and thus breaks the circuit.

Keywords

single-pole lamp switch, what were lamp switches used for in the early twentieth century, lamp switch, twentieth century lamp switch, black and white lamp switch

Galleries

Rail Transportation

Source

International Correspondence Schools A Textbook on Electric Lighting and Railways (Scranton, PA: International Textbook Company, 1901)

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