Comet Receiving Transformer

Sears, Roebuck & Co.; Chicago (IL)

  • Year
  • 1917
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 218634
    • Brand: Silvertone

 Technical Specifications

  • Main principle
  • Tuner pre 1926 (not a wave trap)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Comet Receiving Transformer - Sears, Roebuck & Co.; Chicago
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 15 x 0 x 6.75 inch / 381 x 0 x 171 mm
  • Notes
  • Sears, Roebuck and Co. Comet Receiving Transformer The primary is wound with enameled copper wire. Primary variation by means of a slider, secondary by means of an eight-point switch. Secondary is wound with green silk covered wire. The instrument will tune to approximately 1,200 to 2,000 meters with a suitable antenna.
  • Net weight (2.2 lb = 1 kg)
  • 9 lb (9 lb 0 oz) / 4.086 kg
  • Price in first year of sale
  • 5.00 $
  • Literature/Schematics (1)
  • 1917 Sears, Roebuck and Co. Wireless Apparatus catalog page 50
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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