Circular logarithmic slide rule by K. Emil Troger

Circular logarithmic slide rule by K
Science Museum Group
© The Board of Trustees of the Science Museum

Circular logarithmic slide rule by K. Emil Troger, laminated paper with printed scales on card backing

Details

Category:: Mathematics

Object Number:: 1990-458

type:: circular slide rule

credit:: Val. Devroede

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Circular logarithmic slide rule by K. Emil Troger

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