If you are fascinated by power free radios then this may interest you. Ideal for portable use, hiking, camping, etc. Just clip the aerial or earth wire on to a metal structure to provide the aerial.
Each germanium diode and earpiece is selected for optimum performance.
The circuit board etched aerial coil works in conjunction with an inductor and germanium diode detector.
A fun little radio, just clip aerial and earth crocodile clips to the large pads on the board. Pads could be soldered for a more permanent connection.
Postage In order to keep the postage to a minimum postage is for untracked unsigned for. I always obtain a certificate of postage for proof of postage and always dispatch within a couple of days. Please leave feedback so I know you have received the parcel safely. If you require a tracked and signed for parcel I can supply this service for £5 extra please ask for an invoice or add £5 to the postage cost.