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Power-Hammer.

Description: Patent for a hammer operated by a treadle with improved springs for enhanced power.
Date: September 3, 1907
Creator: Kinson, James D.
Partner: UNT Libraries Government Documents Department

Cultivator-Arch

Description: Patent for a cultivator arch designed to adjust and secure the beams of a plow. Illustrations included.
Date: August 20, 1907
Creator: Spence, Enoch M.
Partner: UNT Libraries Government Documents Department
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