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scientific instrument
scientific instrument

scientific instrument

Object NameGeissler Tube
Made FromGlass, Metal
Dateabout 1890-1910
Place Madepossibly Germany; possibly France
TechniqueLampworked
SizeOverall H: 23.3 cm, W: 5 cm, D: 4 cm
Accession Number2014.8.43
Not On View
Physical DescriptionGeissler Tube. Colorless glass, metal; lampworked. Glass tube with two bulbous ends, each containing a metal rod. One end has small pulled glass attachment. Cylindrical tube between ends contains thinner tube manipulated into flattened spiral shape flanked by eight flattened bulbous shapes. Outer tube has short cylindrical vacuum tube.
Provenance
Source Chayette & Cheval - 2014-03-13
scientific instrument
Corning Inc.
probably 1970-1989
thermometer
Corning Inc.
about 1900-1930
scientific instrument
about 1890-1910
scientific instrument
about 1890-1910
scientific instrument
about 1890-1910