🌐فارسیEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsSvenskaРусскийفارسی한국어中文日本語EntityQ810827· pop 20بثیاسفیرAlso known as deep sea ball, observation belltethered spherical deep-sea observation submersible lowered on a cableWikidata factsImageDeutsches Museum (Ank Kumar, Infosys Limited) 18.jpgSources (3)wikidata.orgen.wikipedia.orgencyclopedia2.thefreedictionary.comvia Wikidata · CC0Available in 19 languagesEspañolFrançaisDeutsch中文ArmenianBelarusianBulgarianCatalanCzechEstonianFinnish