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Toy
Patent for a toy particularly adapted for the amusement of small children.
Date:
May 29, 1914
Creator:
Boyle, Frank J.
System:
The Portal to Texas History
Internal-Combustion Engine
Patent for an internal-combustion engine with a novel form of rotary valve and other meaningful improvements to a combustion engine.
Date:
September 29, 1914
Creator:
Clough, George Golden
System:
The Portal to Texas History