Circular slide rule for air navigation computations

Made:: Chicago

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Circular slide rule for air navigation computations, plastic
Science Museum Group
© The Board of Trustees of the Science Museum

Circular slide rule for air navigation computations, plastic, in vinyl holder with instructions, made by J.B. Carroll Company, Chicago

Details

Category:: Mathematics

Object Number:: 1985-269

type:: circular slide rule (navigation)

credit:: Crosby, R.C.

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Circular slide rule for air navigation computations

Details

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