5 Matching Results

Search Results

Results: 1 - 5

Improvement in Rotary Engines.

Description: 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
Partner: UNT Libraries Government Documents Department

Improvement in Velocipedes

Description: 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.
Partner: UNT Libraries Government Documents Department

Improvement in Fire-Place Fenders.

Description: 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.
Partner: UNT Libraries Government Documents Department

Improvement in Hand-Cultivators.

Description: 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.
Partner: UNT Libraries Government Documents Department

Improvement in Button-Hole Scissors.

Description: 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.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen