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Vehicle-Axle Bearing.

Description: Patent for a strong and durable vehicle-axle bearing that reduces friction. "Oil may be admitted to the bearings [in the axle] without removing the wheel or exposing said bearings, thus preventing accumulations of dust or other foreign substance" (lines 17-20).
Date: June 11, 1895
Creator: Falk, Franz
Partner: UNT Libraries Government Documents Department

Ventilator for Refrigerators.

Description: Patent for an improved, simple, and inexpensive ventilator for large refrigerators. It "can be readily applied to an ice box or refrigerator and so constructed that the hot air which is pressed upward is forced through the ventilator and thereby lowering the temperature of the ice box and a consequent saving of ice" (lines 23-28). The ventilator has a valve that releases hot air and automatically closes after the air is released.
Date: July 11, 1893
Creator: Netzer, Joseph
Partner: UNT Libraries Government Documents Department

Disk Harrow or Terracer

Description: Patent for a disk harrow or terracer that is more efficient in operation for turning soil with an improved structure and functionality.
Date: October 11, 1921
Creator: Barnes, Jonathan G.
Partner: UNT Libraries Government Documents Department
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