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.
Item Type:
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Patent