Safety Valve Attachment for Lamps.
Description:
Patent for a new and improved safety attachment for oil lamps. This design is "to permit of the escape of any gas which may be formed in the upper part of the oil-reservoir by the evaporation of its contents; and the object thereof is to provide a simple form of valve stamped from a single piece of sheet metal, with a shank adapted to be inserted through a slot in the lamp-collar and the valve afterward bent down over the valve-opening, thus presenting a valve that will be sensitive to the pres…
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Date:
May 11, 1886
Creator:
Ingle, Ezra William
Partner:
UNT Libraries Government Documents Department