Ubbelohde viscometer 0-3mm²/s

Ubbelohde viscometer, DIN type with printed constant according to ISO/DIN 3105, DIN 51502, BS 188, KFT 60-100, No. 0c, inner Ø 0.47 mm, K 0.003, measuring range 0-3 mm²/s, uncalibrated, four-legged