This crystal radio or galena was found in an English documentation from the 70's. The diode must be germanium and the headphone high impedance, at least 2k.
Radio without power (CB22163E)
- Details
- Written by: Newton C. Braga
This crystal radio or galena was found in an English documentation from the 70's. The diode must be germanium and the headphone high impedance, at least 2k.
