• Year
  • 1907–1912
  • Category
  • Miscellaneous (Other, Various) - see notes
  • Radiomuseum.org ID
  • 201828

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: General Acoustic Detective Dictograph - Dictograph Products Co.
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 335 x 200 x 85 mm / 13.2 x 7.9 x 3.3 inch
  • Notes
  • Wired bugging device in leatherette suitcase, consisting of two carbon microphones, two pairs of headphones, and a sensitivity / tone controller. Two batteries are used in turn, each lasting approx. 15 minutes.

    Abhöreinrichtung im Koffer, bestehend aus zwei Kohlemikrofonen, einem Ton-Controller und zwei Doppelkopfhörern, sowie 2 Batterien für je ca. 15 Minuten Betrieb.

    Escucha a distancia, compone de 2 micrófonos con interruptor, 4 auriculares con diadema ajustable, 1 selector con ajuste de sonido, dos baterías de aprox. 15 min. y cables de aprox. 3 metros longitud.

  • Net weight (2.2 lb = 1 kg)
  • 2.3 kg / 5 lb 1.1 oz (5.066 lb)
  • Price in first year of sale
  • 125.00 USD
  • Literature/Schematics (2)
  • Hutchinson Herald, June 13 1912, P8
  • Author
  • Model page created by Jose Mayoral-Diaz. See "Data change" for further contributors.

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The model General Acoustic Detective Dictograph is part of the collections of the following members.

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