"Duode" 8-inch loudspeaker unit

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Duode' 8-inch loudspeaker unit'
Science Museum Group
© The Board of Trustees of the Science Museum

"Duode" 8-inch loudspeaker unit

Details

Category:: Radio Communication

Object Number:: 1987-134

type:: loudspeaker

credit:: Youle, J.

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"Duode" 8-inch loudspeaker unit

Details

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