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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
Rotary Engine
Patent is for a rotary engine. The design of this rotary engine includes an inlet and exhaust that also prevents internal leakage of working fluid under pressure.
Date:
May 8, 1912
Creator:
Bennison, Samuel
System:
The Portal to Texas History