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Improvement in Curing Meat, &c. (open access)

Improvement in Curing Meat, &c.

Patent for curing meat using an air-tight brine vacuum to heat and purify the meat, including illustrations.
Date: September 12, 1846
Creator: Allen, Augustus C.
System: The Portal to Texas History
Improvement in Propelling Vessels. (open access)

Improvement in Propelling Vessels.

Patent for a hydraulic propeller that uses a current of water and steam power, including illustrations.
Date: August 26, 1846
Creator: Fulton, George W.
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
Brick-Machine. (open access)

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