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Incinerator-Closet
Patent for an incinerator closet with "the purpose of receiving human excreta so the contents may be dried out and burned up" (lines 11-13) within a fireproof device, including instructions and illustrations.
Date:
May 28, 1918
Creator:
Greene, George A.
System:
The Portal to Texas History
Railroad-Tie
Patent for a concrete railroad tie reinforced with steel. Illustrations included.
Date:
May 3, 1910
Creator:
Matejka, Frank
System:
The Portal to Texas History
Ariel Navigation
Patent for an airplane which will maintain its balance in the air and can be easily maneuvered up and down and around in the air.
Date:
May 9, 1911
Creator:
Nichols, Jack Lloyd
System:
The Portal to Texas History