Adall circular calculator with spiral groove hundreds counter

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Adall circular calculator with spiral groove hundreds counter
Science Museum Group
© The Board of Trustees of the Science Museum

Adall circular calculator with spiral groove hundreds counter, in fitted box, stylus missing

Details

Category:: Mathematics

Object Number:: 1988-588

type:: adding machine (circular)

credit:: Mr E Fisher

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Adall circular calculator with spiral groove hundreds counter

Details

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