You limited your search to:

  Partner: UNT Libraries Government Documents Department
 County: Harris County, TX
 Decade: 1850-1859
 Year: 1850
 Collection: Texas Patents
Valve-Gear for Steam-Engines.

Valve-Gear for Steam-Engines.

Date: July 30, 1850
Creator: Milner, George B.
Description: Patent for improving the cut-off of steam-engines through a simple valve motion, including illustration.
Contributing Partner: UNT Libraries Government Documents Department