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Brick-Machine.
Patent for a machine, which the inventor calls "The Concussion Brick-Machine", that makes bricks using molds, including illustrations.
Date:
May 30, 1848
Creator:
Wilson, Robert
System:
The Portal to Texas History
Boring and Mortising Machine.
Patent for a machine to bore square holes in substitute for a chisel and reduce labor, including illustration. The inventor calls it a "Mortise and Tenon Machine."
Date:
July 11, 1848
Creator:
Swingle, Alfred
System:
The Portal to Texas History