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Ullage-Rod

Description: Patent for an ullage rod. Illustrations included.
Date: June 21, 1910
Creator: Mackoy, Edgar S.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut lock, which holds securely in place and is inexpensive to manufacture.
Date: June 14, 1910
Creator: Posey, James A.
Partner: UNT Libraries Government Documents Department
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