UNT Libraries Government Documents Department - 4 Matching Results

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Improvement in Cotton-Seed Planters.: Patent for covering cotton seeds by using a hoe transversely with cams and slides with the main axle of the planter, including illustration.
Improvement in Plows.: Patent for the improvement of the plow using braces and mold-board for a sturdy and very durable plow, including illustration.
Improvement in Sewing-Machines.: 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.
Machine for Sawing Marble in Obelisk Form.: Patent for "a new and Improved Machine for Sawing Marble Blocks in Polygonal Taper Form" (lines 4-6), including illustration.