• Year
  • 1929
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 33779

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
  • Power type and voltage
  • Dry Batteries
  • from Radiomuseum.org
  • Model: BTom Thumb - Automatic Radio Mfg. Co.;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • One dial (primary tuning control knob)
  • Price in first year of sale
  • 57.00 $
  • External source of data
  • Ernst Erb

 Collections | Museums | Literature

 Forum