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Three fluorescent lamps, 1957-1967

IMAGE number
UIS5062564
Image title
Three fluorescent lamps, 1957-1967
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Location
Science Museum, London, UK
Medium
object
Image description

Three fluorescent lamps, 1957-1967. Three fluorescent lamps: a circular tube lamp with magnifier, 1967; a battery operated hand lamp, 1966; and a bench lamp, 1957. Fluorescent lighting came into widespread use during World War II because of its high efficiency. An electrical discharge in mercury vapour and argon (or other rarified gas) produces the ultra violet light. Fluorescent materials on the inner wall of the glass tube convert the ultra violet into visible light. The powerful hand-lamp shown in the middle, operates from a twelve volt dry battery. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Image keywords
20th century / Science / lighting / thing / light bulb / electricity / lamp / fifties / sixties

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Largest available format 3504 × 2475 px 1 MB
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