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Moving Picture Machine.

Description: Patent for an improved moving picture machine, or film projector, including instructions and illustrations.
Date: September 22, 1914
Creator: Momyer, Harry H.
Partner: UNT Libraries Government Documents Department

Adding Machine

Description: Patent for a machine that adds numbers together using "key actuated accumulating wheels" to reach the desired sum, including illustrations.
Date: September 22, 1913
Creator: Moody, Jason B.
Partner: UNT Libraries Government Documents Department
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