U Tube Double Coloumn

U Tube Double Coloumn

Model HV-EXP309
Manometer Both ends open with one end bent, fitted onpolished wooden base with scale ad suspensi on hook tohang the manometer on a pipe. Glass parts made for Borosil(corning) glass tube. (a) 15cm long (b) 25 cm long (c) 50 cm long (D) 100 cm long.

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