• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ericsson Telephones / British Ericsson / Etelco (ETL); London

• Year
• 1923–1926

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

• Radiomuseum.org ID
• 76504

• 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
• Various materials

• from Radiomuseum.org
• Model: 0/1050 GPO 5228 - Ericsson Telephones / British

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Wave range 300 - 500 metres. Black ebonite miniature tubular case; 2"dia.,1.5"high; no BBC stamp. GPO No.5228.

• Mentioned in
• Tickling the Crystal; Sanders (vol.3, p.20)

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

• Other Models

• Here you find 13 models, 12 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ericsson Telephones / British Ericsson / Etelco (ETL); London