DescriptionPycnometer full.jpg A full pycnometer, photographed on 5 mm squares. Date 25 May 2007 Source Own work Author Slashme...
DescriptionBritannica Density 3.jpg English: The Sprengel tube or pycnometer. Date 1911 Source Encyclopædia Britannica, 1911 Author Encyclopædia Britannica...