• Country
• United States of America (USA)

• Manufacturer / Brand
• National Airphone Corp.; New York (NY)

• Year
• 1922

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

• Radiomuseum.org ID
• 49514

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: G - National Airphone Corp.; New

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 6.5 x 2.75 x 4.25 inch / 165 x 70 x 108 mm

• Notes
• One dial (primary tuning control knob) . Two cartridge tuning coils, 150-400 and 500-1000 meters. Hard rubber case.

• Price in first year of sale
• 12.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Radio News 10/1922

• Other Models

• Here you find 15 models, 13 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Airphone Corp.; New York (NY)