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Storage Devices Williams Tube, c 1950

Storage Devices Williams Tube, c 1950
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Not available to clients invoiced in the UK
Largest available format 2399 × 3504 px 1 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 2399 × 3504 px 203 × 297 mm 1.2 MB
Medium 701 × 1024 px 59 × 87 mm 863 KB

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IMAGE number
UIS5081508
Image title
Storage Devices Williams Tube, c 1950
Auto-translated text View Original Source
Location
Science Museum, London, UK
Medium
object
Image description

Storage Devices Williams Tube, c 1950. The Williams Tube is a memory device for storing digital information in computers. The device is named after FC Williams (1911-1977) who developed it in Manchester towards the end of World War II. The first tubes used were cathode ray tubes of the kind used in radar displays. A working version was demonstrated in 1948. Information is stored as an electrostatic charge held by the phosphor coating on the screen which glows when struck by electrons. The pattern of charges is continuously refreshed and represents the digital information being stored. ©SSPL/Science Museum

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SSPL/UIG / Bridgeman Images
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