• Country
• United States of America (USA)

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

• Year
• 1927

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 217912

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Choke Unit T-2099 - Thordarson Electric Mfg. Co. ;

• Dimensions (WHD)
• 3.25 x 5.625 x 4.875 inch / 83 x 143 x 124 mm

• Notes
• 2x 30 H; 130 mA

• Price in first year of sale
• 14.00 $

• Mentioned in
• Radio Broadcast, Sep. 1927, p. 307

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. 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)