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Speed-Regulating Mechanism

Description: Patent for a speed regulating machine for engines.
Date: October 18, 1910
Creator: Carpenter, John C.
Partner: UNT Libraries Government Documents Department

Machine-Brake.

Description: Patent for a machine brake for motorized fans that allows the speed to be regulated.
Date: July 25, 1911
Creator: Mallory, John W. & Peters, Walter C.
Partner: UNT Libraries Government Documents Department
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