• Country
• United States of America (USA)

• Manufacturer / Brand
• Metropolitan Radio Corp.; Newark, NJ (Metro)

• Year
• 1922–1924

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

• Radiomuseum.org ID
• 47036

• • alternative name: Metropolitan Radio

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Little Gem - Metropolitan Radio Corp.;

• Shape
• Tablemodel, with any shape - general.

• Price in first year of sale
• 7.00 $

• External source of data
• Ernst Erb

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

• Mentioned in
• Crystal Clear (Volume 1)

• Other Models

• Here you find 3 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Metropolitan Radio Corp.; Newark, NJ (Metro)