Geissler tube, 1850s

Geissler tube, 1850s

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Credit: SCIENCE PHOTO LIBRARY

Caption: Geissler tube. Historical illustration of a form of the Geissler tube, invented in 1857 by German physicist and glassblower Heinrich Geissler. This invention consisted of a sealed glass tube containing a partial vacuum and gases such as neon, argon, air, and mercury or sodium vapour. Applying a high-voltage electric current to the ends of the tube causes the gas atoms to fluoresce. This is known as a gas discharge tube, an early form of neon lighting. Artwork from 'Electricite' (1911) by Max de Nansouty, part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier.

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Keywords: 1800s, 1850s, 19th century, apparatus, artwork, black-and-white, electric, electrical, electricite, electricity, engineering, equipment, european, fluorescence, fluorescing, gas discharge tube, geissler, geissler tube, german, heinrich geissler, historical, history, illustration, les merveilles de la science, lightning, lights, louis figuier, machine, marvels of science, max charles emmanuel champion de nansouty, max de nansouty, monochrome, neon lighting, no-one, nobody, physics, spark lamp, technological, technology

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