EntityQ5806775· pop 7· linked from 12 articlesAdolphe HirschSign in to saveSwiss-german astronomConnectionsBerlinEntityViennaEntityLeipzigEntityHeidelbergEntitydigital object identifierEntityNeuchâtelEntitymetric systemEntityInternet ArchiveEntityHeidelberg UniversityEntityHalberstadtEntitybibcodeEntityInternational Bureau of Weights and MeasuresEntityNeustadt an der WeinstraßeEntityGrand Duchy of BadenEntityRevolutions of 1848 in the German statesEntityMetre ConventionEntityGeneral Conference on Weights and MeasureEntityUniversity of NeuchâtelEntityKarl Christian BruhnsEntityInternational Association of GeodesyEntityCategories1830 births1901 deaths19th-century German astronomers19th-century Swiss astronomersAcademic staff of the University of NeuchâtelGerman geodesists