Beginners' Receiving Transformer

Sears, Roebuck & Co.; Chicago (IL)

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  • Year
  • 1917
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 218635
    • 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: Beginners' Receiving Transformer - Sears, Roebuck & Co.; Chicago
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 11.75 x 4.5 x 3.5 inch / 298 x 114 x 89 mm
  • Notes
  • Sears, Roebuck and Co. Beginners' Receiving Transformer - Coils are wound with green silk covered wire. Primary variation by means of a slider, secondary by means of an five-point switch.
    The instrument will tune short waves sent out by amateur stations of 200 meters with a suitable antenna.
  • Net weight (2.2 lb = 1 kg)
  • 3 lb (3 lb 0 oz) / 1.362 kg
  • Price in first year of sale
  • 3.00 $
  • 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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