Rotary action cooker switch, 1890-1910. Circular base with barrel cover over mechanism. Butterfly-shaped turning key protrudes from middle of the top. On one side the base rim has four semi-circular channels to allow wires to pass through to the underside where they can be connected to the four terminals. electric rotary switch
Electric rotary switch made by Arrow, London (England) 1910. Electric rotary switch made by Arrow 1910
Rotary action cooker switch, made in England (UK), 1890 circa. Dome-shaped structure with angular turning knob protruding from top. electric rotary switch
