• Year
  • 1922–1924
  • Category
  • Miscellaneous (Other, Various) - see notes
  • Radiomuseum.org ID
  • 271843
    • alternative name: Federal Recorder || Federal Tel. & Radio || Federal T&T
    • Brand: Orthosonic / Ortho-Sonic

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Micro-Telephone Combination No. 264-W - Federal Radio Corp. / Federal
  • Shape
  • Miscellaneous shapes - described under notes.
  • Notes
  • No. 264-W Combination Micro-Telephone. A combination comprising a 1600 ohm telephone receiver and microphone. Switch in handle for operating a magnetic send and receive aerial switch. Equipped with 6 foot, 6 conductor cord. 

  • Price in first year of sale
  • 14.00 $
  • Mentioned in
  • - - Manufacturers Literature (February 1924, Federal Telephone & Telegraph Co. Bulletin 152-W page 26)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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