Master Junior early; BBC/PMG

Master, Manchester

  • Year
  • 1923
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 76708

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Master Junior [early; BBC/PMG] - Master, Manchester
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 5.25 x 1.5 x 3.75 inch / 133 x 38 x 95 mm
  • Notes
  • BBC/PMG stamp, GPO No.899; a later model got BBC/EBM stamp, and the transfer "Master Junior" on the side of the case.

    Llater a similar model "IMP" (GPO 4447) was sold by Clarke & Co.

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The model Master Junior is part of the collections of the following members.

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