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Cultivator Foot

Description: Patent for a cultivator foot. This cultivator foot is designed to be a new kind of inexpensive, simple, and efficient cultivator foot.
Date: August 22, 1922
Creator: Dawson, Joseph E.
Partner: UNT Libraries Government Documents Department

Shutter for Motion-Picture Machines.

Description: Patent for a shutter for motion picture cameras to eliminate flickering. Produced by stamping the device from sheet metal.
Date: August 22, 1922
Creator: Patureau, Arthur M.
Partner: UNT Libraries Government Documents Department
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