DOUBLE-STAR SEA COLLIMATOR SEXTANT AND PROCEDURE OF SIMULTANEOUS OBSERVATION OF PAIR OF STARS WITH SUPERIMPOSITION OF THEIR IMAGES

navigation. SUBSTANCE: double-star sea collimator sextant is used on ships and vessels to determine point of observation of heavenly bodies. It is telescope with illuminated grid of hairs in field of vision of wide-angle eye-piece that has form of mutually perpendicular vertical and horizontal hairs...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MAGOMEDOV R.M
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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