• Country
• United States of America (USA)

• Manufacturer / Brand
• Fallgatter, Marvin B. (Marvin B. Fallgatter); Waupaca, Wisconsin

• Year
• 1922

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 255658

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: EMBE Variocoupler - Fallgatter, Marvin B. Marvin B

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Price in first year of sale
• 4.50 USD

• Literature/Schematics (2)
• August 1922, The Radio Dealer magazine advertisement on page 62

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

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fallgatter, Marvin B. (Marvin B. Fallgatter); Waupaca, Wisconsin