22-P

Electrical Research Laboratories Inc. (Erla); Chicago, Illinois

Data
Forum
Pictures
Collections

  • Year
  • 1931 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 38074

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 22-P - Electrical Research
  • Shape
  • Tablemodel with Clock ((Alarm-) Clock Radio).
  • Price in first year of sale
  • 39.00 $
  • External source of data
  • Ernst Erb

 Collections | Museums | Literature

Collections

The model 22-P is part of the collections of the following members.

 Forum