3-Valve Set GPO No. 0109

Radio Instruments Ltd (RI)., London

  • Year
  • 1923
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 312773

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: 3-Valve Set [GPO No. 0109] - Radio Instruments Ltd RI.,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • BBC/PMG stamp; GPO No. 0109 (Verified with British Vintage Wireless Society) 
  • Price in first year of sale
  • 30.00 £
  • Mentioned in
  • March 3, 1923 The Wireless World and Radio Review magazine page xxxv
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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