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Cultivator Attachment.

Description: Patent for a cultivator attachment - an extra component added to an earth tilling machine to adjust the harrow teeth and the path of earth disposed. Illustration included.
Date: February 8, 1913
Creator: Moody, Joseph E.
Partner: UNT Libraries Government Documents Department

Swingletree

Description: Patent for a swingletree that equalizes the strain of the draft animal when the traces are connected in an irregular manner.
Date: July 20, 1920
Creator: Bosse, William F.
Partner: UNT Libraries Government Documents Department
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