Signal Valve for Boilers.
Description:
Patent for a new and improved signal valve for boilers. This design "consists in the combination, with a check-valve, of the ordinary construction, which is adapted to operate in connection with an inspirator, injector, or jet-pump, such as are commonly employed for feeding steam-boilers, of a signal-valve which is located above the check-valve, and which signal-valve, when the check-valve ceases to operate, is caused to open by the backward pressure of the steam from the boiler, permitting the…
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Date:
February 24, 1885
Creator:
McLane, Reed Atchinson
Item Type:
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Partner:
UNT Libraries Government Documents Department