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A geographically correct county map of states traversed by the St. Louis, Iron Mountain and Southern Railway and its connections.

Description: Map shows railroads for the South Central United States; counties, cities and towns for Arkansas, Mississippi, Louisiana, and portions of "Indian Territory," Missouri, Tennessee, Kentucky, Illinois, Indiana, and Alabama; railroad routes, major cities, and state boundaries for the Eastern United States. Includes advertisements in right and right lower panels of sheet. Relief shown by hachures. Scale not given.
Date: 1878
Creator: St. Louis, Iron Mountain, and Southern Railway Company
Partner: University of Texas at Arlington Library

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 Adjustable Saddle-Trees.

Description: Patent for "improvements in saddle-trees; and the invention consists in constructing the forward ends of the trees with the hinged connection between its sides, to allow lateral adjustment of the sides to and from each other..." (lines 10-13) including instructions and illustrations.
Date: June 16, 1874
Creator: Heaton, George & Eckley, Charles
Partner: UNT Libraries Government Documents Department

Improvement in Car-Axle Boxes.

Description: Patent for improvement to car-axle boxes, specifically "Oil-Collectors for Railroad Journals" (line 6), including illustrations.
Date: August 5, 1879
Creator: Morris, Robert C. & McLane, Hiram H.
Partner: UNT Libraries Government Documents Department

Improvement in Sheet-Metal Vessels

Description: Patent for a cylindrical vessel made of sheet-metal rather than tin. Including a inward double hanging ledge and two layers of metal soldiered together.
Date: October 14, 1879
Creator: Morris, Robert C. & McLane, Hiram H.
Partner: UNT Libraries Government Documents Department
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