• Year
  • 1919 ??
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 125452
    • alternative name: National Electric Signaling Co. || National Electrical Supply Co.

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • VT-1
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 40 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Heterodyne BC-104 - National Electric Signaling Co
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 190 x 300 x 240 mm / 7.5 x 11.8 x 9.4 inch
  • Notes
  • Heterodyne for Signal Corp, US Army SCR 97 receiver.
  • Net weight (2.2 lb = 1 kg)
  • 5.6 kg / 12 lb 5.4 oz (12.335 lb)
  • Source of data
  • -- Collector info (Sammler)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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The model Heterodyne is part of the collections of the following members.

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