Four-Panel Vacuum Tube Set

Bowman & Co., A.W.; Boston, Massachusetts

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  • Year
  • 1921–1923
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 198248

 Technical Specifications

  • Number of Tubes
  • 1
  • Main principle
  • TRF without regeneration
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Four-Panel Vacuum Tube Set - Bowman & Co., A.W.; Boston,
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 10 x 10 x 0 inch / 254 x 254 x 0 mm
  • Notes
  • A. W. Bowman Four-Panel Vacuum Tube Set consisted of the Vacuum Tube Unit panel, the Variocoupler Panel, a Variometer Panel and the Variable Condenser panel. The set covered the 150 to 500 meter wavelength range.
    In the 1921-1923 Sears, Roebuck and Co. Radio catalogs, Sears offered a series of Unit panels that were produced by the Bowman Company. The panels were each 5 inches square and could be joined together to form a complete receiver.
  • Net weight (2.2 lb = 1 kg)
  • 63 lb 0 oz (63 lb) / 28.602 kg
  • Price in first year of sale
  • 42.00 $
  • Literature/Schematics (1)
  • 1923 Sears & Roebuck Radio Catalog
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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