EntityQ6933280· pop 17· linked from 67 articlestransit instrumentSign in to saveastronomical instrumentConnectionsgeodetic astronomyEntityInternational Standard Book NumberEntitytelescopeEntitylatitudeEntitylongitudeEntityTycho BraheEntitydigital object identifierEntityastrolabeEntityobservatoryEntitytheodoliteEntityastronomical transitEntitystopwatchEntitycharge-coupled deviceEntitycelestial navigationEntitypendulum clockEntityspherical astronomyEntityEncyclopædia Britannica 11th editionEntitychronographEntitymeridian circleEntitymarine chronometerEntityCategoriesAstrometryGeodesy