Slide rule for voltage and power in decibels with single slider

Made:
1953 in New Jersey

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Science Museum Group
© The Board of Trustees of the Science Museum

Slide rule for voltage and power in decibels with single slider, cardboard, made 1953 by Ballantine Laboratories, New Jersey

Details

Category:
Mathematics
Object Number:
1985-262
type:
slide rule (voltage)
credit:
Crosby, R.C.