Voigt moving-coil loudspeaker unit - 1936

Voigt moving-coil loudspeaker unit - 1936

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Voigt moving-coil loudspeaker unit - 1936
Science Museum Group
© The Board of Trustees of the Science Museum

Voigt moving-coil loudspeaker unit - 1936

Details

Category:
Radio Communication
Object Number:
1966-215
type:
loudspeaker
credit:
Monks, M.E.