Language

Lock. (open access)

Lock.

Patent for a permutation lock with illustrations. The combination on the lock can be changed an infinite number of times by the user.
Date: October 7, 1902
Creator: Nickey, Oscar E.
System: The Portal to Texas History
Tool (open access)

Tool

Patent for a tool designed to remove rust and dirt from a coupling member and prepare it for a new gasket.
Date: October 24, 1905
Creator: Eddins, Andrew J. & Agnell, Peter W.
System: The Portal to Texas History