Lot n° 23
Estimation :
800 - 1000
EUR
Large Geissler glass tube. - Lot 23
Large Geissler glass tube.
Invented in 1857 by the German physicist Heinrich Geissler, it was designed to visually demonstrate the principles of luminous electrical discharge (the precursor to neon).
One filament is loose.
Modern wooden display stand.
Length: 122 cm.
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