Brand GmbH & Co. KG Pycnometers Gay-Lussac pattern, 100 ml, uncalibrated, Boro 3.3, 2 pc/PAK

Borosilicate glass 3.3. DIN ISO 3507, type Gay-Lussac. Stopper NS 10/19 with capillary. The upper end of the stopper is ground and polished. The nominal volume is printed on the base.