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Gearing
Patent for improvements in gearing, "especially adapted for use in connection with wind mills and other devices" (lines 9-11) including illustrations.
Date:
April 11, 1916
Creator:
Wiggins, Hundley
System:
The Portal to Texas History
Plow Attachment.
Patent for a plow attachment, which holds the plow wheel in place.
Date:
October 11, 1910
Creator:
Dowdy, Ewell Monroe
System:
The Portal to Texas History