Plastic ready reckoner

Made:: 1965-1980 in England

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Plastic ready reckoner for determining the value of resistors
Science Museum Group
© The Board of Trustees of the Science Museum

Plastic ready reckoner for determining the value of resistors from the painted colour bar code provided by the manufacturer. Supplied by Dublier Limited, London, 1965-1980.

Details

Category:: Mathematics

Object Number:: 2002-535

Materials:: plastic, metal and complete

Measurements:: overall: 2 x 71 x 50 mm

type:: ready reckoner (electrical engineering)

credit:: Mrs Adrienne Finch

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Plastic ready reckoner

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