Resource Type

Automatic Pump for Internal Combustion Engines (open access)

Automatic Pump for Internal Combustion Engines

Patent for an automatic pump for internal combustion engines. Illustration included.
Date: August 9, 1910
Creator: Smith, Robert W. J.; Anderson, John C. & Rowe, Robert J.
System: The Portal to Texas History
Trap. (open access)

Trap.

Patent for an animal trap, the unique elements of which are found in the "combination and arrangement of parts" (lines 16-17). Improvements include but are not limited to the addition of an open-ended case, a depressed platform and various links.
Date: October 9, 1917
Creator: Ward, Robert Gillespie & Clayton, John Taylor
System: The Portal to Texas History