Resource Type
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5
Improvement in Plows.
Patent for the improvement of the Rotary-Disk Cutters for plows that enable it to swivel and be supported by guides, including illustration.
Date:
April 3, 1855
Creator:
Hall, Thomas J.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for the improvement of the gang plow by the plows arrangement and pivoted beams to be adjustable for convenience, including illustration.
Date:
May 1, 1855
Creator:
Hall, Thomas J.
System:
The Portal to Texas History
Mode of Straining Saws by Atmospheric Pressure.
Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.
Date:
August 14, 1855
Creator:
Brown, A. & Coffin, Abel, Jr.
System:
The Portal to Texas History
Improvement in Cultivators.
Patent for the improvement of the rotary cultivator with adjustable thinning-points and rotating cutter, including illustration.
Date:
April 10, 1855
Creator:
Morrel, A. H.
System:
The Portal to Texas History
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.
Date:
May 15, 1855
Creator:
Morrel, A. H.
System:
The Portal to Texas History