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Brick-Machine. (open access)


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. (open access)

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