• Country
• United States of America (USA)

• Manufacturer / Brand
• Columbia Radio Co.; Youngstown Ohio

• Year
• 1921

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 35700

• • Brand: Sentinel

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Crystal or Solid State Detector with Amplifer

• from Radiomuseum.org
• Model: Columbia - Columbia Radio Co.; Youngstown

• Shape
• Tablemodel, with any shape - general.

• Price in first year of sale
• 55.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 9 models, 4 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbia Radio Co.; Youngstown Ohio