This simple radio with 1 germanium transistor was found in a Japanese documentation from 1967. The coil has 80 to 100 coils of fine wire 30 to 32 in a ferrite rod and the supply is made with 3 V. The phone is made of crystal or ceramic.

This simple radio with 1 germanium transistor was found in a Japanese documentation from 1967. The coil has 80 to 100 coils of fine wire 30 to 32 in a ferrite rod and the supply is made with 3 V. The phone is made of crystal or ceramic.