Steam-Cushion Valve.
Description:
Patent for "a new and useful steam cushion valve, and its object is to provide a steam cushion valve that will sever to automatically retard the exhaust from a cylinder as the piston approaches one of the cylinder heads." (lines 9-14) including instructions and illustrations.
Date:
March 23, 1915
Creator:
Henry, Nelson B.
Partner:
UNT Libraries Government Documents Department