BTH 12 inch RK Senior energized loudspeaker

BTH 12 inch RK Senior energized loudspeaker, c. 1935

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BTH 12 inch RK Senior energized loudspeaker, c. 1935
Science Museum Group
© The Board of Trustees of the Science Museum

BTH 12 inch RK Senior energized loudspeaker, c. 1935

Details

Category:
Radio Communication
Object Number:
1974-330
type:
loudspeaker
credit:
Bailey, Mr.