2 Matching Results

Search Results

Advanced search parameters have been applied.

Steam and Air Valve Operator.

Description: Patent for a steam and air valve operator that allows "the rotative movement of element to be transformed into reciprocity movement of another element." (lines 11-13). It also has new setup for double gears within the device that allows rest of the parts between movements.
Date: February 12, 1907
Creator: Greeson, David H.
Partner: UNT Libraries Government Documents Department