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Improvement in Rotary Engines.
Patent for rotary engines "driven by steam or other elastic agent, or which may be used for pumping water" (lines 29-32) to obtain "a more direct application of the force applied to drive the engine" (lines 39-40) including instructions and illustrations.
Date:
February 6, 1872
Creator:
Richardson, John Dun
System:
The Portal to Texas History
Improvement in Velocipedes
Patent for the improvement of Velocipedes. The improvement consists of a new and novel combination and arrangement of propelling power, due to the weight of the body, which may be aided by the muscular force thereof and guiding apparatus.
Date:
February 13, 1872
Creator:
Maltby, Henry A.
System:
The Portal to Texas History
Improvement in Fire-Place Fenders.
Patent for "an extensible fender adapted for large or small fire-places" (lines 8-10) including instructions and illustrations.
Date:
February 27, 1872
Creator:
Hall, William N.
System:
The Portal to Texas History
Improvement in Hand-Cultivators.
Patent for "hand-cultivators; and the novelty consists in the improved construction and arrangement of the stock, tongue, and plows; and in the application to the end of the tongue of a shoulder-strap to assist in working the implement." (Lines 15-20) Includes instructions and illustrations.
Date:
February 27, 1872
Creator:
Jones, William G.
System:
The Portal to Texas History
Improvement in Button-Hole Scissors.
Improved Button Hole scissors, where the scissors may be "adjusted vertically for suitable Cutting Hole length"(pg 2). The scissors have a "v-shaped" button hole cutter that can be adjusted to pierce the fabric at a desired depth and a tracing wheel.
Date:
February 27, 1872
Creator:
Franklin, Edward A.
System:
The Portal to Texas History