• Country
• United States of America (USA)

• Manufacturer / Brand
• Northland Radio Co.; Minneapolis, Minnesota

• Year
• 1923 ?

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 254339

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• TRF without regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: 3-Tube TRF - Northland Radio Co.;

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

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Northland Radio Co.; Minneapolis, Minnesota