Amplion 'Dragonfly' horn loudspeaker, 1924

Amplion 'Dragonfly' horn loudspeaker, 1924 (loudspeaker)

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Amplion 'Dragonfly' horn loudspeaker, 1924

Details

Category:
Radio Communication
Object Number:
1930-365
type:
loudspeaker
credit:
Graham Amplion Limited