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MARCEL MARIE JOSEPH EUGENE COU
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MARCEL MARIE JOSEPH EUGENE COU
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Application filed by MARCEL MARIE JOSEPH EUGENE COUfiledCriticalMARCEL MARIE JOSEPH EUGENE COU
Application grantedgrantedCritical
Publication of FR498682ApublicationCriticalpatent/FR498682A/fr
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
G01C5/005—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels altimeters for aircraft
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Physics & Mathematics
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Engineering & Computer Science
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Remote Sensing
(AREA)
FR498682D1919-04-261919-04-26Dispositif indicateur de la distance de l'avion au sol, pour atterrissage de nuit
ExpiredFR498682A
(fr)