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