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Measuring and Leveling Instrument

Description: Patent for a new measuring and leveling instrument that allows the user to determine "in a convenient and efficient manner the angularity of a surface or object with respect to a vertical or horizontal line" (lines 10-13). Instructions and illustration included.
Date: February 9, 1915
Creator: Richardson, O. C.
Partner: UNT Libraries Government Documents Department

Moldboard for Plows.

Description: Patent for improved design of plow moldboard made from Plaster of Paris which repels sticky soils and is durable for shipping. Includes instructions and illustration.
Date: November 2, 1915
Creator: Miller, Charles K.
Partner: UNT Libraries Government Documents Department
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