Make Your Own Crystal Radio

    

Listen to the radio as they used to in the 1920s. These radios only need an aerial and earth connection. Reception is due to a crystal which picks up the radio waves, we have simplified this with a Germanium-Diode.

Contents:

• prepared wooden pieces
• earphone
• Diode
• varnished copper wire
• cable
• screws and nuts
• bolt
• electrical connector and instructions.

From 12 years, an introduction in the principles of radio communication.