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Toy Cannon
Patent for an improvement to toy cannons to enable marbles and other spherical objects can be fed into cannon and fired providing a varied range of distance.
Date:
March 14, 1916
Creator:
Osborn, Carl B.
System:
The Portal to Texas History
Air-Pump.
Patent for an air pump improvement that simpler and cheaper to produce. It also provides a description of "the combination and arragement of parts" (lines 14-15), including illustrations.
Date:
May 16, 1916
Creator:
Runge, Friedrich Albert
System:
The Portal to Texas History
Insulator
Patent for Insulator
Date:
November 14, 1916
Creator:
Williams, Roger A.
System:
The Portal to Texas History