UNT Libraries Government Documents Department - 2 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.
- 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.