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