• Country
• Hungary

• Manufacturer / Brand
• Telefongyar, Terta (TRT, Export = Orion); Budapest

• Year
• 1929–1931 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 359886

• • Brand: Terta, TRT

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Variable capacitor: Midline Y 500cm - Telefongyar, Terta TRT, Export

• Shape
• Chassis only or for «building in»

• Notes
• • 500cm

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Sándor Perneky. See "Data change" for further contributors.

• Other Models

• Here you find 219 models, 204 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefongyar, Terta (TRT, Export = Orion); Budapest