Resource Type
Counties
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Automatic Gun or Rifle.
Patent for a gun or rifle with a magazine, which quickly and automatically ejects spent cartridges and reloads.
Date:
May 7, 1912
Creator:
Douglas, William M.
System:
The Portal to Texas History
Automatic Firing Device for Explosive Shells.
Patent for automatic firing device where "an explosive shell may be caused to travel any distance within the range of the shell through the air without exploding" (lines 14-17).
Date:
January 7, 1919
Creator:
McCombs, Orville K.
System:
The Portal to Texas History
Fire-Extinguishing System.
Patent for a fire extinguishing system with improved hydrant connections and sprinkler systems in buildings.
Date:
February 7, 1911
Creator:
Corneliussen, Ivar
System:
The Portal to Texas History