Slide rule for tape-wound core calculations with s

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
type:
slide rule
credit:
Crosby, R.C.
status:
Permanent collection

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