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PIERRE CHAUVASSAIGNES
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PIERRE CHAUVASSAIGNES
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Publication of FR386154ApublicationCriticalpatent/FR386154A/fr
G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
G01P3/62—Devices characterised by the determination or the variation of atmospheric pressure with height to measure the vertical components of speed
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General Physics & Mathematics
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FR386154D1908-01-131908-01-13Appareil pour locomotion aérienne permettant d'apprécier dans un ballon les déplacements verticaux les plus faibles
ExpiredFR386154A
(fr)