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Computing Machine

Description: Patent for a computing machine for addition and subtraction. Illustration included.
Date: July 21, 1908
Creator: Jackson, Joshua Terry
Partner: UNT Libraries Government Documents Department

Tire-Tread Chain for Automobile-Wheels, &c.

Description: Patent for a tire chain for automobiles to prevent skidding and help keep the tire in better shape on rough roads.
Date: July 21, 1908
Creator: Thomas, James Clarence
Partner: UNT Libraries Government Documents Department

Means for Ventilating and Expelling Water from Mines.

Description: Patent for a ventilation and water pumping system for mines, which pumps out water underground, removes foul air and gases, and keeps the mine supplied with fresh air through pressurizing the air in the mine.
Date: July 21, 1908
Creator: Durack, Patrick H.
Partner: UNT Libraries Government Documents Department

Means for Laying Dredging-Pipes.

Description: Patent for a method of laying dredging pipes, which allows ships to pass through without removing them, allows air to release from the pipes to prevent movement of the pipes during pumping, a method of removing the contents before taking them out of the water, and an easy method removing the pipes completely.
Date: July 21, 1908
Creator: Smith, Phillip S.
Partner: UNT Libraries Government Documents Department

Baling-Press

Description: Patent for a baling press with an improved plunger which returns to upright position automatically after pressing the bale.
Date: July 21, 1908
Creator: Hamilton, James William
Partner: UNT Libraries Government Documents Department

Steam Generating System

Description: Patent for steam generating system. Illustration included.
Date: July 21, 1908
Creator: Bebber, August W.
Partner: UNT Libraries Government Documents Department
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