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Cord-Adjuster for Electric Lights.

Description: Patent for extending and retracting wires that are used to connect a light bulb to power and an illustration.
Date: November 25, 1913
Creator: Pritchett, Ponder L.
Partner: UNT Libraries Government Documents Department

Circuit-Closing Device for Doors.

Description: Patent for a device mounted within a door jamb that closes or breaks a circuit when the door is opened or closed, respectively. The electrical connection can be used to turn on lights when the door is opened and off when closed.
Date: November 4, 1913
Creator: Fitch, William Hubert
Partner: UNT Libraries Government Documents Department
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