UNT Libraries Government Documents Department - 7 Matching Results

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Train Control System

Description: Patent for an improved train control system that will help to stop train movement when approached b another train or vehicle on tracks within a predetermined or dangerous distance. It is intended to cause a signal that will allow the train engineer to both opportunity and warning in time to apply brakes and stop. The design also enhances the utility and efficiency of the train control system.
Date: November 9, 1915
Creator: Smith, S. G.
Item Type: Refine your search to only Patent

Valve

Description: Patent for a valve for the improvement of flushing water in tanks. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: November 13, 1917
Creator: Cahill, Thomas J.
Item Type: Refine your search to only Patent
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