Magnetic wire selector in slide-rule format: "Datalator" for heavy synthetics made 1954 by Perrygraf

Magnetic wire selector in slide-rule format: Datalator' for

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Magnetic wire selector in slide-rule format: Datalator' for
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© The Board of Trustees of the Science Museum

Magnetic wire selector in slide-rule format: "Datalator" for heavy synthetics made 1954 by Perrygraf, Illinois for Rea Magnet Wire Company, Indiana

Details

Category:
Electricity Supply
Object Number:
1985-252
type:
electromagnets and wires
credit:
Crosby, R.C.