Liquid or Gaseous Fuel Burner. (open access)

Liquid or Gaseous Fuel Burner.

Patent for a fuel burner with a simple design, which is readily taken apart or assembled, and is manufactured at a comparatively small cost.
Date: April 15, 1913
Creator: Vandaveer, Heber Clark & Stoy, Guy Everett
System: The Portal to Texas History
Railway-Frog. (open access)

Railway-Frog.

Patent for "a frog for crossing rails at switches or railway-crossings" (lines 8-9).
Date: December 25, 1900
Creator: Barry, James
System: The Portal to Texas History