The overall improvement in its optical design, ensures permanent and undisturbed focus, Its highly accurate glass scale is divided to read angular degrees and also carries sugar scale in I.S.S. Units. The angular scale from 0 to 360 degree is sub divided to 1 degree to enable direct reading to 0.05 degree and by estimation to 0.02 sugar degrees. The sugar scale from 30 degree to120 degree. Supplied Complete with polarimeter tube, Sodium Lamp, transformer instruction manual.