Hartford Time Switch - Front (ca. 1919)
A mechanical device for turning an electric switch on and off at a specific time. Circa 1919.
Hartford Time Switch - Open (ca. 1919)
A mechanical device for turning an electric switch on and off at a specific time. Circa 1919.
General Electric Model 3T27 (c. 1948)
I recently became the proud owner of a General Electric Model 3T27 Single-Pole, Double-Throw Time Switch, manufactured circa 1948. It's an industrial timer switch, for, say, turning a light on or off at a preset time.
General Electric Model 3T27 (c. 1948)
I recently became the proud owner of a General Electric Model 3T27 Single-Pole, Double-Throw Time Switch, manufactured circa 1948. It's an industrial timer switch, for, say, turning a light on or off at a preset time.
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