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3 Matching Results
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Breakwater.
Patent for improving seawalls to "preserve channels across the bars at the mouths of rivers, creeks, or canals and between bays and gulfs" (lines 6-8), including illustration.
Date:
June 7, 1859
Creator:
Armour, D. Hillen
System:
The Portal to Texas History
Improvement in Cultivators.
Patent for "a new and Improved Cultivator" (lines 3-4) including instructions and illustrations.
Date:
June 21, 1859
Creator:
Veal, Franklin
System:
The Portal to Texas History
Improvement in Seeding-Machines.
Patent for the improvement of the seeding-machine by having a lever that allows the driver to operate the hopper-box, harrow, and smoothing-roller at any time, including illustration.
Date:
June 14, 1859
Creator:
Veal, Franklin
System:
The Portal to Texas History