Slide rule for tape-wound core calculations with single slider

Made:: 1957 in Illinois

Slide rule for tape-wound core calculations with single slider, cardboard, in envelope with instructions, made 1957 by Perrygraf, Illinois for Magnetics, Pennsylvania

Details

Category:: Mathematics

Object Number:: 1985-265

Materials:: cardboard

type:: slide rule

credit:: Crosby, R.C.

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