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Improvement in Bedsteads.

Description: Patent for the improvement of bedsteads in order to make them more convenient and durable.
Date: August 8, 1871
Creator: Baldwin, Thomas B.
Partner: UNT Libraries Government Documents Department

Propeller Shaft Bearing.

Description: Patent for a new and improved propeller-shaft bearing. This design consists, "with the horizontal propeller-shaft, of the single central stationary thrust-block through which the shaft snugly extends, the opposite ends of said block being each flattened and provided with a circular groove concentric with the shaft, the pair of collars rigidly secured to the shaft at the opposite ends of said central block, the inner ends of said collars each having a groove corresponding with the grooves in the… more
Date: July 8, 1890
Creator: Gaffield, William Z.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design is of "an automatic car-coupling pin that can be adjusted and used for coupling cars having the ordinary draw-bars and coupling pins" (lines 10-13).
Date: July 8, 1884
Creator: Schofield, James
Partner: UNT Libraries Government Documents Department

Sandpapering-Machine.

Description: Patent for a compressed air sanding machine to use in finishing surfaces with sandpaper, emery cloth, or other rubbing material.
Date: January 8, 1918
Creator: Morreau, Emile V.
Partner: UNT Libraries Government Documents Department

Excavator.

Description: Patent for an excavator that quickly and without much effort shifts dirt and "can be readily and easily employed for such purposes as building embankments or levees or for excavating extensive or large areas" (lines 19-22).
Date: May 8, 1894
Creator: Oie, John
Partner: UNT Libraries Government Documents Department

Axle-Box.

Description: Patent for an axle-box for vehicle wheels that "contains a lubricant-receiving recess from which the lubricant is automatically fed to the spindle of the axle as necessity may occasion" (lines 10-13).
Date: May 8, 1894
Creator: Casto, Tony Lo
Partner: UNT Libraries Government Documents Department
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