Home›Ancient Greek astronomy›astronomical rings🌐EnglishEnglishDeutschEspañolFrançaisItalianoفارسی中文EntityQ1583214· pop 7· linked from 9 articlesastronomical ringsAlso known as Gemma's rings, universal equinoctial sundial, universal equinoctial ring, equinoctial ringearly astronomical instrumentWikidata factsImageJohannes motter (attr.), anello astronomico, fiandre, 1550 ca..JPGSources (1)wikidata.orgvia Wikidata · CC0Available in 6 languagesEspañolFrançaisDeutschCatalanفارسیvia Wikidata sitelinks · CC0ConnectionssundialEntityastronomyEntityCategoriesAncient Greek astronomyAstronomical instrumentsObsolete scientific instrumentsSundials