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Improvement in Plows. (open access)

Improvement in Plows.

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.
System: The Portal to Texas History
Improvement in Sewing-Machines. (open access)

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.
Date: November 15, 1859
Creator: Singer, E. C.
System: The Portal to Texas History
Converting Reciprocating into Rotary Motion (open access)

Converting Reciprocating into Rotary Motion

Patent for converting reciprocating into rotary motion by using “two vertically moving racks with a cog wheel on a small shaft between them which gears into the teeth of the racks” (lines 16-19), includes illustration.
Date: November 1, 1859
Creator: Harper, C. A.
System: The Portal to Texas History