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Commercial Map of the World

Description: This sheet includes multiple maps; on the front is a commercial map of the world. The commercial map is color-coded to show different aspects of commerce (the key is in the lower right corner) and also uses red and black lines to mark trade and communication routes as well as ocean currents (the key is in the lower left corner). Additionally, red text marks the locations of products and industries across the world. Bodies of water and geographic features are marked (with relief shown by hach… more
Date: 1890~
Creator: Hinman, Russell, 1853-1912
Item Type: Refine your search to only Map
Partner: University of Texas at Arlington Library

Cotton Loading Derrick.

Description: Patent for a new and improved cotton-loading derrick. This design consists in "[t]he portable derrick, comprising the barrow-base having the longitudinal handle-bars, the extended longitudinal and transverse base-sills, and the bearings, the rotary shaft or mast having the slot and sheave, the upper shoulder and upward-projecting stud, the cross-head, the oblique braces connecting its rear arm to the mast, and the derrick-pulleys suspended from the free arm of said cross-head, the rope passing … more
Date: April 22, 1890
Creator: Field, Eldon M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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