scientific instrument

Object NameGeissler Tube

Made FromGlass, Uranium Glass, Metal

Dateabout 1890-1910

TechniqueLampworked

Size(a) Geissler Tube H: 16.2 cm, W: 3.6 cm, D: 2.5 cm

Accession Number2014.8.13

Curatorial Area(s)

Place Made

possibly Germany; possibly France

Physical DescriptionGeissler Tube. Colorless glass, transparent yellow uranium glass, metal; lampworked. Glass tube with two ovoid ends, each containing a metal rod. One end has small pulled glass attachment partially covered in brownish substance; other end is capped with metal electrode. Tube between ends manipulated into two figure-eight shapes separated by bulbous shape. Half of tube between ends covered in transparent yellow glass.
Provenance

Provenance Remark

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