UNT Libraries Government Documents Department - 3 Matching Results

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Automatic Electric Switch
Patent for an automatic electric switch. This invention consists of a series of switches and a rotary switch run by electromagnetic key operating motor. Illustration included.
Motive Power.
Patent for a new and improved Motive Power. This design consists "[i]n a motor, the frame, in combination with a windlass or drum, a rope adapted to be wound thereon, a pulley-block provided with a series of pulleys, a weight also provided with pulleys, the rope being passed through the respective pulleys, devices for winding the windlass, and mechanism for transmitting the movement of the windlass while the rope is being unwound" (lines 35-43).
Motor.
Patent for "motors designed more particularly running sewing machines and churns and other light machinery" (lines 9-10), including instruction and illustrations.
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