EntityQ7522373· pop 6· linked from 9 articlesSine quadrantSign in to savetype of quadrant used by medieval Arabic astronomersConnectionshorizontal coordinate systemEntityastronomy in medieval IslamEntityArabicEntityOttoman EmpireConceptInternational Standard Book NumberEntityMuḥammad ibn Musa al-KhwarizmiEntitytrigonometryEntitysalahEntitybrassEntitydecimalEntityzenithEntitycurveEntityastrolabeEntityastronomical coordinate systemEntityplumblineEntitysexagesimalEntityapertureEntitydiaphragmEntityannulusEntityquadrantEntityCategoriesAstronomical instrumentsAstronomy in the medieval Islamic worldTechnology in the medieval Islamic world