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Publication of FR803693ApublicationCriticalpatent/FR803693A/fr
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
G01C19/02—Rotary gyroscopes
G01C19/44—Rotary gyroscopes for indicating the vertical
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Physics & Mathematics
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Remote Sensing
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FR803693D1935-06-271935-06-27Procédé et appareil pour la matérialisation de la verticale exacte du lieu, et applications s'y rapportant
ExpiredFR803693A
(fr)