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Improvement in Cotton and Hay Presses.

Description: 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
Item Type: Patent

Improvement in Fish-Hooks.

Description: Patent for "new and useful improvement in the Sockdolager Fish-Hook" (lines 4-5), including illustration.
Date: April 11, 1854
Creator: Sigler, Henry
Item Type: Patent

Rotary Steam-Engine.

Description: 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.
Date: August 16, 1859
Creator: Montjoy, George J. & Sawyer, J. B.
Item Type: Patent

Valve-Gear for Steam-Engines.

Description: Patent for improving the cut-off of steam-engines through a simple valve motion, including illustration.
Date: July 30, 1850
Creator: Milner, George B.
Item Type: Patent