Gyro horizon with optical horizon indicator

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Bibliographic Details
Main Authors PERSON ROLF BERTIL, LANGEFORS NILS BORJE, SVENSSON SVEN GUNNAR
Format Patent
LanguageEnglish
Published 24.07.1951
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Bibliography:Application Number: US19450602962