• Country
• United States of America (USA)

• Manufacturer / Brand
• Electrical Specialty Co. (Esco); Columbus, Ohio

• Year
• 1921

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 197263

• Main principle
• Tuner pre 1926 (not a wave trap)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Esco Regenerative Receiver - Electrical Specialty Co. Esco;

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

• Notes
• The new improved Electrical Specialty Co. ESCO Regenerative Receiver covered the 150 to 600 meter wavelength range. This new set was contained in a smaller cabinet than the previous version of the ESCO Regenerative Receiver making it more "portable".

• Net weight (2.2 lb = 1 kg)
• 11 lb (11 lb 0 oz) / 4.994 kg

• Price in first year of sale
• 50.00 $

• Mentioned in
• Radio News

• Literature/Schematics (1)
• June 1921 Radio News magazine page 935

• 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 Electrical Specialty Co. (Esco); Columbus, Ohio