• Country
• Hungary

• Manufacturer / Brand
• Iskolai Taneszközök Gyára (Calderoni,ITG; Budapest

• Year
• 1954 ??

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

• Radiomuseum.org ID
• 204447

• 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
• Metal case

• from Radiomuseum.org
• Model: School Demonstration Detektor Radio - Iskolai Taneszközök Gyára

• Notes
• Galena (Pb-II-sulfid) detektor (cat whisker).

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 22 models, 21 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Iskolai Taneszközök Gyára (Calderoni,ITG; Budapest