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Machine for Sawing Marble in Obelisk Form.

Description: Patent for "a new and Improved Machine for Sawing Marble Blocks in Polygonal Taper Form" (lines 4-6), including illustration.
Date: April 15, 1856
Creator: Haviland, J. E.
Partner: UNT Libraries Government Documents Department

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.
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.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for covering cotton seeds by using a hoe transversely with cams and slides with the main axle of the planter, including illustration.
Date: May 15, 1855
Creator: Morrel, A. H.
Partner: UNT Libraries Government Documents Department
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