• 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