scientific instrument
Object NameGeissler Tube
Made FromGlass, Uranium Glass, Metal
Dateabout 1890-1910
Place Madepossibly Germany; possibly France
TechniqueLampworked
Size(a) Geissler Tube H: 16.2 cm, W: 3.6 cm, D: 2.5 cm
Accession Number2014.8.13
Curatorial Area(s)
Not On View
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
Source
Chayette & Cheval
- 2014-03-13
1870-1915
about 1890-1910
about 1890-1910
about 1890-1910
about 1890-1910