scientific instrument

Object NameGeissler Tube

Maker John Younk

Made FromGlass, Gases, Metal Filament

Date1876

Place MadeUnited States, NJ, Orange

TechniqueBlown, hot-worked, assembled

SizeOverall L: 46.5 cm, Diam: 2.9 cm

Accession Number2011.4.48

Credit LineGift of Burchard P. Romain

Curatorial Area(s)

Modern
Science and Technology

Not On View

Physical DescriptionColorless glass, gases, metal filament; blown, hot-worked, assembled. Colorless glass tube with seven bulbs of varying sizes (two of which are tinted yellow) on either end flanking central cylindrical double-walled portion containing yellowish tinted internal tube. Metal filaments fixed to both ends of tube. Tube filled with gases.
Provenance

Source Burchard P. Romain (b. 1912) - 2011-05-24