18 Matching Results

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Improvement in Plows.

Description: Patent for the improvement of the plow using braces and mold-board for a sturdy and very durable plow, including illustration.
Date: November 15, 1859
Creator: Townsend, John T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Sewing-Machines.

Description: Patent for improvement in sewing-machines by using two cams, one to operate the needle-arm and another to operate the feed and shuttle movements, illustration is included.
Date: November 15, 1859
Creator: Singer, E. C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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