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Engine-Plow.

Description: Patent for the improvement of engine-plows especially regarding those adapted for traction engines. The patent includes specifications and illustrations.
Date: April 21, 1914
Creator: Rarig, Welden C.
Partner: UNT Libraries Government Documents Department

Concrete Tile for Building Contruction

Description: Patent for improvements in concrete tiles for building construction, designed especially for use in building walls, partitions, ceilings, etc. of building structures.
Date: February 10, 1914
Creator: Harter, Leander Douglas
Partner: UNT Libraries Government Documents Department