1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
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.
System:
The Portal to Texas History