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in place name: "United States - Texas - Harris County - Houston"

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.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Fish-Hooks.

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

Partner: UNT Libraries Government Documents Department

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.

Date: August 16, 1859

Creator: Montjoy, George J. & Sawyer, J. B.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

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

Item Type: Patent

Partner: UNT Libraries Government Documents Department

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Valve-Gear for Steam-Engines.

Improvement in Fish-Hooks.

Rotary Steam-Engine.

Improvement in Cotton and Hay Presses.