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Ports to Plains Feasibility Study: Executive Summary

Description: Executive summary describing study findings regarding the evaluation of transportation improvement needs in the "Ports to Plains" corridor between the Texas/Mexico border and Denver, Colorado via the existing IH 27 corridor between Amarillo and Lubbock, Texas.
Date: June 2001
Creator: Wilbur Smith Associates
Partner: UNT Libraries Government Documents Department

Low-Water Alarm For Boilers

Description: Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date: January 5, 1915
Creator: Anderson, Williamson D. & Shearer, Edward J.
Partner: UNT Libraries Government Documents Department

Triple Valve

Description: Patent for a triple valve for air brakes on trains that gives the engineer more control over the brakes.
Date: August 13, 1912
Creator: Anderson, Williamson D. & Shearer, Edward J.
Partner: UNT Libraries Government Documents Department

Calculator

Description: Patent for a calculator which consists of semicircular device with movable pointers and number indexes printed on it that allows the pointers to be moved to different numbers to produce the answer to a math problem such as calculating the cost of goods sold by the pound in a store.
Date: December 21, 1909
Creator: Goss, George Wilson
Partner: UNT Libraries Government Documents Department

Boot

Description: Patent for a boot design that contains a counter-support of coil springs while also being inexpensive, durable, and efficient.
Date: October 2, 1888
Creator: Benson, Henry L.
Partner: UNT Libraries Government Documents Department