Slide rule

Made:: 1949 in Illinois

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Slide rule
Science Museum Group
© The Board of Trustees of the Science Museum

Slide rule, parallel resistance and Ohm's Law calculators on same slider, cardboard, made 1949 by Ohmite Manufacturing Company, Illinois

Details

Category:: Mathematics

Object Number:: 1985-260

type:: ready reckoner (electrical engineering)

credit:: Crosby, R.C.

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Slide rule

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