3 Matching Results
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Improvement in Car Brake and Starter.
Patent for improvements in car brakes "of novel and simple construction" (lines 24-25).
Date:
August 21, 1877
Creator:
Marean, William
System:
The Portal to Texas History
Improvement in Piles for Bulk-Heads and Other Structures.
Patent for improvements in piles for bulkheads: "The object of the present invention being to provide a concrete-faced bulk-head composed of piles, each of which may be sunk in position by continuously forcing the sand from beneath the lower end of the pile" (lines 15-19), with illustrations.
Date:
August 21, 1877
Creator:
Parry, Morgan L.
System:
The Portal to Texas History
Improvement in Pipe and Bar Cutters
Patent for a new and improved pipe and bar cutter, which cuts metal and steel. This design is simple, convient, and effective, including illustration.
Date:
May 21, 1877
Creator:
Astall, Jesse
System:
The Portal to Texas History