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Mold.

Description: Patent for a mold for viscous materials that are meant to be hardened in the mold or afterward. It is designed to be easily removed from the cast without damaging it.
Date: August 13, 1901
Creator: Parker, William Sink
Partner: UNT Libraries Government Documents Department

Press

Description: Patent for "a press adapted particularly for forcing tie-plates into railway-ties" (lines 8-10).
Date: August 13, 1901
Creator: Peter, John S.
Partner: UNT Libraries Government Documents Department

Oil-Purifier

Description: Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).
Date: August 13, 1901
Creator: Carter, George Fitzhugh
Partner: UNT Libraries Government Documents Department
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