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Improvement in Washing-Machines.

Description: Patent for an improvement to washing machines, in which "the novelty consists in allowing both cylinder and blades to be rotated or oscillated independently of each other." (Lines 17-19) Includes instructions and illustrations.
Date: January 5, 1875
Creator: Starr, Henry D.
Partner: UNT Libraries Government Documents Department

Improvement in Dish-Washing Machines.

Description: Patent for a dish washer that allows dishes to be placed on shelves and rotated through a column of water. The machine can also be modified for washing clothing. It includes illustrations.
Date: February 24, 1874
Creator: Starr, Henry Daniel
Partner: UNT Libraries Government Documents Department

Improvement in Post-Hole Diggers

Description: Patent for certain new and useful improvements in Post-Hole Diggers.
Date: November 20, 1877
Creator: Armstrong, John J.
Partner: UNT Libraries Government Documents Department

Improvement in Animal-Traps.

Description: Patent for an improvements in animal traps. It is similar to a hook and proper for mouse and rat.
Date: June 10, 1879
Creator: Milby, Frank Whitson
Partner: UNT Libraries Government Documents Department
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