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HERM ULFERT
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HERM ULFERT
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Publication of FR377038ApublicationCriticalpatent/FR377038A/fr
G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P13/00—Indicating or recording presence, absence, or direction, of movement
G01P13/02—Indicating direction only, e.g. by weather vane
G—PHYSICS
G01—MEASURING; TESTING
G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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General Physics & Mathematics
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Engineering & Computer Science
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Aviation & Aerospace Engineering
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Geophysics And Detection Of Objects
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FR377038D1906-04-211907-04-20Procédé pour déterminer la direction et la vitesse des courants liquides, et appareil pour réaliser ce procédé
ExpiredFR377038A
(fr)