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Improvement in Screw-Propulsion.
Patent for "a new and useful Improvement in Screw-Propellers and their adaptation to the hulls of vessels" (lines 4-6) including illustrations.
Date:
November 9, 1875
Creator:
Wilson, Joseph Erwin
System:
The Portal to Texas History
Improvement in Bale-Ties.
Patent for a bale tie that "form[s] a double lock-tie for securing the ends of baling-hoops, which cannot become detached or tear and whose outer surface face is flush, thereby rendering it impossible to catch against other packages, and thus be broken or torn off" (para. 2).
Date:
November 9, 1875
Creator:
Drake, Simeon N.
System:
The Portal to Texas History
Improvement in Plows.
Patent for improving a plow device that is curved and has open grooves.
Date:
September 11, 1875
Creator:
Freeman, Irvin
System:
The Portal to Texas History
Improvement in Cotton-Presses.
Patent for improvement in cotton-presses that relates to a specific combination toggle arms connected to a platen with a ball-and-socket or other joint and sliding guide rods.
Date:
November 9, 1875
Creator:
Bearce, Larned S.
System:
The Portal to Texas History