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Executive Correspondence - From Governor Joe Manchin III, To Secretary Rumsfeld
Executive Correspondence - From Governor Joe Manchin III, To Secretary Rumsfeld
Date:
August 4, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
AIR-BREAK SIGNALING AND RELEASEING DEVICE.
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.
Object Type:
Patent
System:
The Portal to Texas History