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Vehicle-Spring.

Description: Patent for a vehicle spring with telescoping casings.
Date: June 7, 1910
Creator: Pochyla, Adolph Arnold & King, Henry Allen
Partner: UNT Libraries Government Documents Department

Extension Obstetrical Instrument

Description: Patent for an extension obstetrical instrument used for surgery. Illustrations included.
Date: June 28, 1910
Creator: Goshorn, Leonard
Partner: UNT Libraries Government Documents Department
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