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Mowing Machine

Description: Patent for various refinements in mowing machines.
Date: August 25, 1914
Creator: Caruthers, Edgar
Partner: UNT Libraries Government Documents Department

Piano Key Bushing.

Description: Patent for an improved piano key bushing that designed to reduce sticking of the keys. Important parts of the bushing are made of metal and given ample room to expand without causing friction that might cause the keys to stick.
Date: August 25, 1914
Creator: Rogers, Karl C.
Partner: UNT Libraries Government Documents Department
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