Balanced-Valve Testing and Locking Device.
Description:
Patent for "a simple testing and locking device for balanced valves of locomotives, the testing device being so placed with relation to the valve that it may be accurately determined whether the valve on one or the other side of the engine is leaking without removing the outer plates form the valve-casing or removing the covers from the steam-chest." (Lines 8-16) Includes instructions and illustrations.
Date:
June 15, 1897
Creator:
Sadler, James Alexander
Item Type:
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