• Country
• United States of America (USA)

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

• Year
• 1928 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 103113

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 2604 Voltage Changer - Thordarson Electric Mfg. Co. ;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Voltage Changer = stepdown mains transformer 220V to 110V. Enables operation of American radios from European mains.

• Price in first year of sale
• 10.00 $

• 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)