Resource Type

Crude-Oil Separator (open access)

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
Rotary Engine (open access)

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