In Dual resolver composito ex uno unum-polus resolver et unum multipole resolver, disposito in eodem paro of stator et rotor core, et habet suum unum-polus curvis et multipole respective. Et una polus resolver dicitur ad crassum resolver pro servatione semita of numerus revolutionum, dum in multipole resolver vocatur denique resolver pro observatio semita de tuto loco in se revolution.
A summus praecisione mensuram CCCLX ° mechanica angulus perficitur per compositum de duro et denique resolver significationibus dare absolutum, quod amplio praecisione et accurate detection angulo de Arcminute arcsecond.