Liquid-Fuel-Measuring Tank (open access)

Liquid-Fuel-Measuring Tank

Patent for a liquid fuel measuring tank that accurately measures fuel and can automatically stop accumulating fuel when a certain amount has been reached, including illustrations.
Date: June 25, 1918
Creator: Helm, Virgil L.
System: The Portal to Texas History
Thimble. (open access)

Thimble.

Patent for an improved thimble that incorporates a thread-cutter tool.
Date: June 25, 1918
Creator: Colburn, Sophia
System: The Portal to Texas History
Oil-Tank Protector. (open access)

Oil-Tank Protector.

Patent for an invention to protect oil tanks against destruction from lightning by carrying escaped gas away from the oil tank's exterior, illustration included.
Date: June 25, 1918
Creator: Cohen, Wolf
System: The Portal to Texas History