Geissler Tube

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Object Name: 
Geissler Tube
Accession Number: 
Overall L: 23.2 cm, W: 4.5 cm, D: 2.8 cm
Not on Display
about 1900
Primary Description: 
Flameworked colorless and yellow borosilicate glass with metal fittings. Tube has matching bulb shaped ends and is made up of a series of symmetrical twists and swirls at center. There are metal fittings at both ends, with a small protrusion at one end.
Librairie Alain Brieux, Source