Homemade crystal set Radio Receiver
- Made:
- 1922 in United Kingdom
Generic crystal set, well finished in polished wooden box, with a pair of headphones, unknown maker, 1922.
The crystal set was a simple radio receiver which did not need any power to make it work. It only received AM, amplitude modulated, signals. The crystal, with a point contact, called a cats whisker as that was what was sometimes used, on its surface, created a diode action rectifying the carrier wave so making it possible to hear the audio signal which was modulated onto it.
Details
- Category:
- Television
- Collection:
- BBC Heritage Collection
- Object Number:
- 2012-5118/855
- Materials:
- mahogany (wood), brass (copper, zinc alloy), metal (unknown) and glass
- Measurements:
-
overall: 280 mm x 180 mm x 215 mm, 1.4 kg
- type:
- radio receiver
