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Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination of the platform . . . having a spring buffer and a projection adjacent to and to one side of the buffer . . . the catch pivotally secured below the same and having a series of coupling shoulders on one side, the spring, and the stop arranged to act upon the side of the catch from which the coupling shoulders project" (lines 89-98).
Date: September 6, 1887
Creator: Ashford, Thomas Gresham.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "the draw-head having the open space at its front end, the longitudinal groove in its side, extending rearward from said space, and the transverse recess at the rear end of said groove, the coupling bar resting in the groove and having a lug at its rear end" (lines 92-98). Said lug is "pivoted in the recess, and the hook at its front end arranged within the open space, and the spring having its rear end secured to… more
Date: December 6, 1887
Creator: Keith, John David
Partner: UNT Libraries Government Documents Department

Improvement in Speed-Measures.

Description: Patent for a "means for indicating the degree of speed with which an engine or train of cars is passing over a rail-road, and for enabling an engineer to regulate the speed of his engine to conform to the 'time' enjoined by his table, so that he will run at an even degree of speed, and be required neither to 'slow down' to save his schedule nor quicken the pace of his engine to make up lost time." (Lines 15-23) Includes instructions and illustrations.
Date: June 22, 1875
Creator: Minton, Stephen F.
Partner: UNT Libraries Government Documents Department
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