EntityQ192772· pop 17· linked from 16 articlesnoniusSign in to savemeasuring tool used in navigation and astronomyConnectionsscale rulerEntityTycho BraheEntityweighing scaleEntityastronomerEntityrulerEntitycompassEntityastrolabeEntitytheodoliteEntityspirit levelEntityplumblineEntitycaliperEntitycircular sectorEntitymicrometerEntitycomputer numerical controlEntitystencilEntityviseEntitytape measureEntitypantographEntityVernier scaleEntitygoniometerEntityCategoriesNavigational equipmentObsolete scientific instrumentsPortuguese inventions