• Country
• United States of America (USA)

• Manufacturer / Brand
• Thordarson Electric Mfg. Co. ; Chicago (IL)

• Year
• 1928 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 102852

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Various materials

• from Radiomuseum.org
• Model: 250 Push Pull - Thordarson Electric Mfg. Co. ;

• Shape
• Chassis only or for «building in»

• Price in first year of sale
• 138.00 $

• Literature/Schematics (1)
• Chicago Salvage Stock Store catalogue, 1928?

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 65 models, 53 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Thordarson Electric Mfg. Co. ; Chicago (IL)