Moving-iron loudspeaker

Moving-iron loudspeaker, from midget receiver, c. 1933

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Moving-iron loudspeaker, from midget receiver, c. 1933
Science Museum Group
The Board of Trustees of the Science Museum

Moving-iron loudspeaker, from midget receiver, c. 1933

Details

Category:
Radio Communication
Object Number:
1972-336
type:
loudspeaker
credit:
Rutland, S.J.