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AIR-BREAK SIGNALING AND RELEASEING DEVICE.

Description: Patent for an improvement in air-brake release-valve in trains to signal train crews and release the breaks if they become set for any reason, or stuck, while the train is moving, including descriptions of the release valve and illustrations.
Date: November 4, 1902
Creator: Dukesmith, Frank H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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World's Longest History Lesson: Unit 16. Secession (ASL Interpretation)

Description: American Sign Language interpretation of Dr. Torget's lecture about the secession of Texas from the United States, covering: (1) John Brown's Raid, (2) The Election of 1860, (3) Texas and Secession. Video contains picture-in-picture rendering of slides and original narration.
Date: 2018-08-25T01:38:33/2018-08-25T02:22:27
Duration: 44 minutes 08 seconds
Creator: Torget, Andrew J.
Item Type: Refine your search to only Video
Partner: UNT Libraries
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