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Portable Forge
Patent for a portable forge adapted for use in oil well drilling. Used to create a compact form of a forge for easy breakdown and storage, while also making it easier to transport.
Date:
March 1, 1921
Creator:
Wright, Samuel E.
System:
The Portal to Texas History
Refrigerator Car Door.
Patent for a sliding refrigerator car door, including instructions and illustrations.
Date:
September 1, 1914
Creator:
Judia, George H.
System:
The Portal to Texas History