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Controlling System for Motor Traction-Cars

Description: Patent for a controlling system for motor traction cars which is automatic.
Date: November 1, 1910
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department

Apparatus for Making and Laying Continuous Concrete Pipe

Description: Patent for a motorized construction vehicle which has a cement mixer and a trench digger on it that allows for the continuous laying of concrete pipes for irrigation.
Date: March 22, 1910
Creator: Wiggins, John L.
Partner: UNT Libraries Government Documents Department
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