• Country
• Great Britain (UK)

• Manufacturer / Brand
• Columbia Graphophone Co.; London

• Year
• 1925 ?

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

• Radiomuseum.org ID
• 98663

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• 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: Crystal set - Columbia Graphophone Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 140 x 185 x 168 mm / 5.5 x 7.3 x 6.6 inch

• Notes
• L-Abstimmung.

• Net weight (2.2 lb = 1 kg)
• 1.1 kg / 2 lb 6.8 oz (2.423 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 53 models, 30 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbia Graphophone Co.; London