Brass circular slide rule 30cm diameter

Made:: 1818-1820

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Brass circular slide rule 30cm diameter with two subsidiary
Science Museum Group
© The Board of Trustees of the Science Museum

Brass circular slide rule 30cm diameter with two subsidiary circular scales for counting decades from 10-10 to 10 [to the power of 10]; English c1820

Details

Category:: Mathematics

Object Number:: 1982-805

type:: circular slide rule

credit:: Delehar, P.

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Brass circular slide rule 30cm diameter

Details

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