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Map of the great Air Line route : Ohio & Mississippi Railway and connections.

Description: Map shows major cities and towns, military posts, state and territory boundaries, and railroad companies and existing and proposed rail routes across eastern half of the continental United States; Dakota and Indian Territories. Relief shown by hachures. Scale not given.
Date: 1878
Creator: Ohio and Mississippi Railway Company (1867-1893)
Partner: University of Texas at Arlington Library

Improvement in Car-Couplings.

Description: Patent for "an improved automatic car-coupling that may be readily uncoupled from the side and top, and be employed to couple cars of different heights." (Lines 13-16) Includes instructions and illustrations.
Date: November 16, 1875
Creator: Ford, Oscar E.
Partner: UNT Libraries Government Documents Department
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