• Country
• United States of America (USA)

• Manufacturer / Brand
• Jewel Radio Corp.; New York, Long Island City, NY and East Newark, NJ

• Year
• 1956 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 328936

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Cosmopolitan All Transistor Thunderbold TR-1 - Jewel Radio Corp.; New York,

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

• Notes

• Most similar to several models listed under Jewel All Transistor Ch= D6-8.

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 116 models, 78 with images and 74 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jewel Radio Corp.; New York, Long Island City, NY and East Newark, NJ