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Automatic Controller for Cotton Trampers

Description: Patent for an automatic controller of cotton tramplers intended to improve piston performance and reduce need for attendant intervention.
Date: June 1, 1915
Creator: Troy W. Sparks
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for improvements to plows with laterally extending adjustable wings, as well as other different styles of plow and cultivator standards, with illustration.
Date: March 9, 1915
Creator: Armentraut, Richard B.
Partner: UNT Libraries Government Documents Department
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