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Expired
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GB32923/20A
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Individual
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Individual
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Publication of GB154209ApublicationCriticalpatent/GB154209A/en
G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
Abstract
154,209. Lyons, R. Oct. 21, 1916, [Convention date]. Drawings to Specification. No Patent granted (Sealing fee not paid). Gauge glasses.-A gauge glass for a steam boiler is marked with a red line and a black line which indicate the maximum and minimum allowable water levels respectively, the black line also indicating the correct level when the boiler is cold.
GB32923/20A1916-10-211920-11-22Improvements in water gauge glasses for steam boilers
ExpiredGB154209A
(en)