• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 67382

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Audio-Amplification

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 1M 1-M - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, slant panel.

• Notes
• 2 T

• Price in first year of sale
• 30.00 $

• External source of data
• Ernst Erb

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

• Mentioned in
• Zenith Radio The Early Years 1919-1935

• Other Models

• Here you find 4496 models, 4101 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL