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Underground Portable Drill

Description: Patent for drilling machines for the object of drilling underground openings for laying gas, electric, water or any other conduits. A second object is sectional drill or track worm to keep drilling going without moving the machine.
Date: July 15, 1919
Creator: Branning, Willie F.
Partner: UNT Libraries Government Documents Department

Rail-Splice.

Description: Patent for a rail splice that joins the ends of railway tracks to one another to prevent spreading of the tracks and is easily taken on and off for repair work.
Date: July 16, 1907
Creator: Bonner, Benjamin B. & Bonner, Thomas W.
Partner: UNT Libraries Government Documents Department
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