Experimental microphone, 1878-1890

PART OF:: Experimental microphones, 1878-1890

Made:: 1878-1890 in England

maker:: David Edward Hughes

One experimental microphone consisting of one gas carbon pencil

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One experimental microphone consisting of one gas carbon pencil
Science Museum Group
© The Board of Trustees of the Science Museum

One experimental microphone consisting of one gas carbon pencil hanging horizontally in contact with one vertical gas carbon pencil, probably made by David Edward Hughes, England, 1878-1890

Details

Category:: Telecommunications

Object Number:: 1922-141/2

type:: microphone

credit:: Executors of the late Anna C. Hughes

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