Ubbelohde viscometer 100-10000mm²/s calibrated

Ubbelohde viscometer, DIN type with printed constant according to ISO/DIN 3105, DIN 51502, BS 188, KFT 60-100, No. IV, inner diameter 3.60 mm, K 10, measuring range 1000-10000 mm²/s, calibrated, four-legged