• Country
• United States of America (USA)

• Manufacturer / Brand
• DeForest Radio Telephone & Telegraph Co. (De Forest); New York

• Year
• 1921

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37104

• • alternative name: Lee De Forest Mfg.

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Crystal or Solid State Detector with Amplifer

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

• from Radiomuseum.org
• Model: Interpanel MS1 - DeForest Radio Telephone &

• Shape
• Tablemodel, with any shape - general.

• Notes
• Two dials (primary tuning control knobs)

• Price in first year of sale
• 189.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 158 models, 132 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York