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Rotary Engine
Patent for rotary engine. This invention "is to provide means whereby the steam supply from the boiler can be controlled. Illustration included.
Date:
September 13, 1910
Creator:
Frazer, Terry H. & Vanlandingham, William W.
System:
The Portal to Texas History
Crude-Oil Separator
Patent for crude-oil separators mainly improves crude oil separators of baffle plate type.
Date:
September 9, 1919
Creator:
Lawrence, William P.
System:
The Portal to Texas History