Hydrometers, Twaddle Available in two lengths with single degree subdivisions. Adjusted for use at 15.6 C. For medium surface tension liquids. Length 300mm Twaddle No3 Range 48
Hydrometers, Twaddle Available in two lengths with single degree subdivisions. Adjusted for use at 15.6 C. For medium surface tension liquids. Length 300mm Twaddle No3 Range 48