DAS KOHLENMIKROFON [Main Title]

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  • Title: DAS KOHLENMIKROFON [Main Title]
  • Film Number: GWY 1628
  • Other titles: THE CARBON MICROPHONE [Translation]
  • Summary: A film showing the principles of the carbon microphone.
  • Description: The film (consisting entirely of diagrams) shows how carbon granules can be used to convert sound waves into a varying electrical current, and shows a cross section of a typical microphone.
  • Alternative Title: THE CARBON MICROPHONE [Translation]
  • Colour: B&W
  • Digitised: No
  • Object_Number: GWY 1628
  • Sound: Silent
  • Access Conditions: IWM-GERMAN Attribution: IWM – GWY 1628
  • Featured Period: 1939-1945
  • Production Date: 1940
  • Production Country: Germany
  • Production Details: Hauptfilmstelle des Reichsluftfahrtministeriums (Production company)
  • Personalities, Units and Organisations:
  • Keywords: sciences, German - technology: telecommunications (object name) Instruction (concept)
  • Physical Characteristics: Colour format: B&W Sound format: Silent Soundtrack language: None Title language: German
  • Technical Details: Format: 16mm Number of items/reels/tapes: 1 Footage: 302 ft; Running time: 8 mins
  • HD Media:
  • Link to IWM Collections page:

    GWY 1628

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