Resource Type

Oil-Tank. (open access)

Oil-Tank.

Patent for an oil tank with an improved design for extinguishing fires inside the tanks and a means for allowing the escape of exploded gases upon accidental ignition.
Date: February 9, 1915
Creator: Wasson, Edgar Allen & Cooley, Francis Marion
System: The Portal to Texas History
Pipe-Wrench. (open access)

Pipe-Wrench.

Patent for improvements to pipe wrenches to a more simple design.
Date: February 16, 1915
Creator: Lewis, Guy V.
System: The Portal to Texas History