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LOUIS CHARLES MAXIMILIEN BALBR
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LOUIS CHARLES MAXIMILIEN BALBR
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Application filed by LOUIS CHARLES MAXIMILIEN BALBRfiledCriticalLOUIS CHARLES MAXIMILIEN BALBR
Application grantedgrantedCritical
Publication of FR396245ApublicationCriticalpatent/FR396245A/fr
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C3/00—Measuring distances in line of sight; Optical rangefinders
G01C3/22—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
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Physics & Mathematics
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Electromagnetism
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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
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FR396245D1908-01-201908-01-20Instrument optique pour la mesure des distances
ExpiredFR396245A
(fr)