• Country
• Great Britain (UK)

• Manufacturer / Brand
• Abbonphone (Brand), R.R.& Co. Ltd.; Birmingham

• Year
• 1923/1924

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 76738

• Main principle
• Crystal or Solid State Detector

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Unnamed - Abbonphone Brand, R.R.& Co.

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 5.75 x 6 x 5.75 inch / 146 x 152 x 146 mm

• Notes
• loading coil for LW. BBC/PMG stamp, GPO No.1346;

• Source of data
• Tickling the Crystal; Sanders

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Abbonphone (Brand), R.R.& Co. Ltd.; Birmingham