Improvement in Cotton and Hay Presses. (open access)

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. (open access)

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