UNT Libraries Government Documents Department - 4 Matching Results

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Improvement in Cotton and Hay Presses.
Patent for the "improvement in Horizontal Cotton - Presses for compressing cotton, hay, and other articles and substances for baling; ..." (lines 3-6), including illustrations.
Improvement in Fish-Hooks.
Patent for "new and useful improvement in the Sockdolager Fish-Hook" (lines 4-5), including illustration.
Rotary Steam-Engine.
Patent for the improvement of the rotary engine through the arrangement of passages and system of pistons for a more simple construction with little friction, including illustration.
Valve-Gear for Steam-Engines.
Patent for improving the cut-off of steam-engines through a simple valve motion, including illustration.