Valve-Gear for Engines.
Description:
Patent for "a new and useful improvement in Steam-Engine Valve-Gears." The invention consists in "combining with a crank-shaft and a valve-shaft a lever, shaft, and two friction-wheels" (lines 4-9)
Date:
July 6, 1880
Creator:
Josserand, Peter
Partner:
UNT Libraries Government Documents Department