Used in medical, pharmaceutical and chemical research laborteries. Consists of a imported half shade nicol polariser, analyser, 100mm. diameter circular scale divided in degrees 0-3600 x 10 and a sugar scale divided -300 to +1300 x 10 ISS, a divided micrometer drum is given to read 0.050(3 minutes0 and 0.10 ISS, the scale is properly illuminated for taking readings, the body is very sturdy and a seperate sodium lamp stand is provided. Complete with polarimeter tube, bobble traps at the centre, 200mm. without sodium lamp, stand and transformer.