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Title: BBC Marconi ribbon radio microphone [Go to resource]
Description: BBC ribbon microphone with stand. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: microphone Temporal: c. 1946 Source: Science Museum Creator: Marconi's Wireless Telegraphy Company Limited Identifier: 2001-5038 Go to resource More Like this...
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