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Electrical Apparatus Geissler tube, c 1980s

Electrical Apparatus Geissler tube, c 1980s
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Largest available format 3504 × 2835 px 1 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 3504 × 2835 px 297 × 240 mm 1.1 MB
Medium 1024 × 829 px 87 × 70 mm 679 KB

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IMAGE number
UIS5069476
Image title
Electrical Apparatus Geissler tube, c 1980s
Auto-translated text View Original Source
Artist
Unknown
Location
Science Museum, London, UK
Medium
object
Image description

Electrical Apparatus Geissler tube, c 1980s. In the mid 1850s, German glass blower Heinrich Geissler (1814-1879) produced the first permanently sealed discharge tubes, which were the forerunners of today's street lamps and neon lights. Two metal electrodes pass through the glass tubes, which contain rarified gases at low pressure. By passing high voltage electricity through the tubes, a coloured glow is produced, which varies in hue according to the gas used. Their first commercial application was at a light display for Queen Victoria's Diamond Jubilee in 1897. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Image keywords
20th century / Science / lamp / neon lighting / light bulb / photography / thing / eighties / electricity / tool / lighting

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