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Telephony, Equipment Three-nail microphone, c 1878

IMAGE number
UIS5060827
Image title
Telephony, Equipment Three-nail microphone, c 1878
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Location
Science Museum, London, UK
Medium
object
Image description

Telephony, Equipment Three-nail microphone, c 1878. This simple three-nail microphone was the work of English-born music professor David Hughes (1831-1900). Hughes discovered that loose electrical contacts are very sensitive to vibrations, including sound. By placing three nails on a wooden board, Hughes created a transducer more efficient than Bell's telephone. This particular model could even detect a fly's footstep. Hughes was so impressed by its ability that he likened it to a 'sound microscope' and decided to call it a 'microphone'. Hughes's microphone was the precursor of the modern carbon microphone. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Image keywords
19th century / phone / microphone / thing / invention / communication / photography

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