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Publication of FR489951ApublicationCriticalpatent/FR489951A/fr
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
G01F23/14—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 measurement of pressure
G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
G01F23/162—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid by a liquid column
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FR489951D1918-02-251918-05-03Perfectionnements apportés aux appareils destinés à indiquer la hauteur d'un liquide dans un récipient
ExpiredFR489951A
(fr)
Perfectionnements aux dispositifs pour la production d'oscillations électriques à haute fréquence à l'aide d'un récipient à décharge dans un gaz ou dans une vapeur