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Angle-Cock.

Description: Patent for "a locking device for the train pipe valve or plug, and a connection separate from the train pipe and under the control of the engineer, to manipulate the said locking device and secure the valve or plug in position." (Lines 13-18) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Waldron, William J.
Partner: UNT Libraries Government Documents Department
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