• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Distributing Co. (Radisco); Newark, New Jersey

• Year
• 1922

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

• Radiomuseum.org ID
• 196792

• 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
• Wooden case

• from Radiomuseum.org
• Model: Heliphone Pocket Receiver - Radio Distributing Co. Radisco

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 6.5 x 1.125 x 4.5 inch / 165 x 29 x 114 mm

• Notes
• The Heliphone Pocket Receiver was manufactured by the Gardner-Rodman Corp. and distributed by The Radio Distributing Company.

• Price in first year of sale
• 5.00 $

• Literature/Schematics (1)
• September 1922 Radio News advertisement. page 415

• Literature/Schematics (2)
• RADIOBOTE, Österr. (Heft 52/2014, S.10 ff, Gerätebeschreibung)

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

• Other Models

• Here you find 5 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Distributing Co. (Radisco); Newark, New Jersey