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Mold for Building Concrete Walls.
Patent for a mold to be used in the construction of concrete walls, including illustrations and instructions.
Date:
November 24, 1885
Creator:
Carrico, Thomas W.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a vehicle wheel that imitates a pneumatic tire.
Date:
October 24, 1911
Creator:
Goss, Charles E.
System:
The Portal to Texas History