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Calculating - Machine

Description: Patent for an improvements in calculating machines. This invention "relates to machines for making rapid and accurate calculations" (line 8-9).
Date: November 16, 1897
Creator: Minnis, Henry M.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Washboard

Description: Patent for an improved washboard, that will be "simple, inexpensive, and efficient" while allowing water to fully drain from it after washing is finished, including illustrations.
Date: July 17, 1900
Creator: Bailey, Robert E.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Grain-Car Door

Description: Patent for a grain-car door.
Date: April 9, 1902
Creator: Church, Josiah W. & O'Gorman, M.J.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Fire-Engine.

Description: Patent for improvements to fire engines, designed for rural use and places where water may be scarce by the inclusion of storage tank and a pump.
Date: November 15, 1910
Creator: Minnis, Henry M.
Item Type: Patent
Partner: UNT Libraries Government Documents Department