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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.
Date:
July 5, 1859
Creator:
Stockbridge, Elam
System:
The Portal to Texas History
Valve-Gear for Steam-Engines.
Patent for improving the cut-off of steam-engines through a simple valve motion, including illustration.
Date:
July 30, 1850
Creator:
Milner, George B.
System:
The Portal to Texas History