Hydrometers, Twaddle Available in two lengths with single degree subdivisions. Adjusted for use at 15.6 C. For medium surface tension liquids. Length 160mm Twaddle No3 Range 48 – 74
Hydrometers, Twaddle Available in two lengths with single degree subdivisions. Adjusted for use at 15.6 C. For medium surface tension liquids. Length 160mm Twaddle No3 Range 48 – 74