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Tax-Calculating Device

Description: Patent for a tax calculating device that will calculate the percentages of the total tax that need to go to different agencies.
Date: April 23, 1912
Creator: Goss, George W.
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine. Illustration included.
Date: February 23, 1909
Creator: Webster, George Lamont
Partner: UNT Libraries Government Documents Department

Oil Expressing Box Package Shaping Machine.

Description: Patent for a machine which shapes boxes for packaging extracted oils, with description of parts and illustrations.
Date: June 23, 1885
Creator: Cathcart, Rodney S.
Partner: UNT Libraries Government Documents Department
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