Sullivan type 3333 D.C. detector
- Made:
- 1960-1979
Sullivan type 3333 D.C. detector,10-0-10 microV dial, 1 logarithmic and 3 linear ranges, made by H W Sullivan Ltd., Orpington, BR5 3QU, serial number 712764.
Sullivan type 3333 D.C. detector,10-0-10 microV dial, 1 logarithmic and 3 linear ranges, made by H W Sullivan Ltd., Orpington, BR5 3QU, serial number 712764.