Crystal & Valve Set
Ionophone (Brand), J. A. Coomes & Co. Ltd., London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Ionophone (Brand), J. A. Coomes & Co. Ltd., London
- Year
- 1923
- Category
- Detector-Radio (Crystal or diode, without tubes/transistors)
- Radiomuseum.org ID
- 204583
- Number of Tubes
- 1
- Valves / Tubes
- Main principle
- Crystal or Solid State Detector with Amplifer
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case, TUBES VISIBLE.
- from Radiomuseum.org
- Model: Crystal & Valve Set - Ionophone Brand, J. A. Coomes
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
- J.A. Coomes & Company Ltd. Crystal & Valve Set
- Price in first year of sale
- 8.00 pd
- Literature/Schematics (1)
- April 14, 1923 The Wireless World & Radio Review page ix
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 6 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Ionophone (Brand), J. A. Coomes & Co. Ltd., London