The ARDE is a triode made by Ediswan. Envelope marked that it was TYPE APPROVED BY THE POSTMASTER GENERAL written around a large BBC logo. Length = 4.00" Diameter = 1.12" Max voltage = Max current = Fil voltage = 2 Fil current = GOTO INDEX
The ARDE is a triode made by Ediswan. Envelope marked that it was TYPE APPROVED BY THE POSTMASTER GENERAL written around a large BBC logo.