Resource Type

Month

Car Door (open access)

Car Door

Patent for a rail-car door. This invention is in relation to 'flush doors'. Illustration includes.
Date: March 22, 1904
Creator: Saling, Thomas W. & McKiel, James
System: The Portal to Texas History
Monkey-Wrench. (open access)

Monkey-Wrench.

Patent for a wrench, which can be used as a S wrench or a monkey wrench and is durable.
Date: March 22, 1910
Creator: Post, Parley C.
System: The Portal to Texas History