3 Matching Results
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Improved Water-Wheel.
Patent for the improvement of the water-wheel using curved buckets over a spiral water passage to increase power and volume, including illustration.
Date:
February 8, 1859
Creator:
Littlepage, C. V.
System:
The Portal to Texas History
Pump.
Patent for a simple, efficient, and low maintenance submerged rotary pump, including illustration.
Date:
February 22, 1859
Creator:
Fagan, James L.
System:
The Portal to Texas History
Pessary.
Patent for a ring pessary used as a female birth control device, including illustration.
Date:
February 22, 1859
Creator:
Wells, Francis, F.
System:
The Portal to Texas History