• Country
• Great Britain (UK)

• Manufacturer / Brand
• National Wireless & Electric Co. & R.R. Goding Ltd.; London

• Year
• 1923

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

• Radiomuseum.org ID
• 245439

• 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: Gnat NMK CI [white dial] - National Wireless & Electric

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

• Dimensions (WHD)
• 4.75 x 4 x 4.75 inch / 121 x 102 x 121 mm

• Notes

• BBC/PMG stamp, GPO No.441;
  (matching amp.GPO No.3336);

• Mentioned in
• Tickling the Crystal; Sanders (p.140)

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

• Other Models

• Here you find 10 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Wireless & Electric Co. & R.R. Goding Ltd.; London