• Country
• United States of America (USA)

• Manufacturer / Brand
• EMCO Radio Products; Brooklyn, New York

• Year
• 1922

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 270625

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: EMCO Variometer Type E. M. 7 - EMCO Radio Products; Brooklyn,

• Shape
• Tablemodel, with any shape - general.

• Price in first year of sale
• 7.50 $

• Mentioned in
• QST (September 1922, QST magazine advertisement on page 104)

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

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from EMCO Radio Products; Brooklyn, New York