Cattle Guard (open access)

Cattle Guard

Patent for a cattle guard. This cattle guard is a useful improvement in use on railway-tracks.
Date: September 15, 1903
Creator: Frownfelter, George C.
System: The Portal to Texas History
Oil Burner (open access)

Oil Burner

Patent for an oil burner. This invention is designed to not allow air in the burner proper except at the point of combustion. Illustration included.
Date: December 20, 1902
Creator: Murphy, Alfonso F.
System: The Portal to Texas History