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Air-Supply-Valve Attachment

Description: Patent for a valve add on for a carburetor in order to control the air flow.
Date: January 24, 1918
Creator: Kirkpatrick, Monroe C.
Partner: UNT Libraries Government Documents Department

Stalk-Cutting Attachment for Plows

Description: Patent for a stalk cutter attachment for plows. Illustrations included.
Date: December 24, 1912
Creator: Osborne, John E.
Partner: UNT Libraries Government Documents Department
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