• Country
• United States of America (USA)

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

• Year
• 1917

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 303551

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Flexible Step-up Transformer Type T-1 - Thordarson Electric Mfg. Co. ;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 10 x 13 x 7 inch / 254 x 330 x 178 mm

• Notes

• 10,000 Volt secondary

• Net weight (2.2 lb = 1 kg)
• 39 lb (39 lb 0 oz) / 17.706 kg

• Price in first year of sale
• 20.00 $

• Mentioned in
• 1917 William Duck catalog #11 page 17

• Author
• Model page created by Alan Larsen. 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)