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Spring Frame for Freight Cars.

Description: Patent for new and improved springs for transportation. This design provides "vehicles for the transportation of merchandise . . . with an interior spring-padding, and in some cases with intermediate elastic floors or partitions, by which injury to the load, by jolting while in transit, shall be prevented, and which shall further conduce to the preservation of fruits and other merchandise of a like perishable nature" (lines 22-30).
Date: December 14, 1880
Creator: Shirley, Joseph J.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for a gate that swings outward whenever it is unlatched that consists of an eye-joint that connects the gate to the post that turns vertically and horizontally, an extended toprail, a lever, and a pivot.
Date: February 14, 1893
Creator: Chadwick, John L.
Partner: UNT Libraries Government Documents Department

Mattress-Making Machine.

Description: Patent for a mattress-making machine that presses the material and forces it into a mattress. The mattress is "suitably held at one end of the machine, guide-strips being provided to hold the material forming the filling for the mattress straight and smooth while being forced into the tick" (lines 19-23).
Date: January 14, 1896
Creator: Bates, Frances Marian
Partner: UNT Libraries Government Documents Department

Car-Ventilating System.

Description: Patent for a railroad car ventilating system that does require opening the windows.
Date: February 14, 1911
Creator: Shanley, Michael H.
Partner: UNT Libraries Government Documents Department
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