Acoustics: an electrically-powered [?] Edison-type phonograph demonstrated at an exhibition [in Paris?]. Wood engraving.

    Reference:
    47035i
    Catalogue details

    Licence: Public Domain Mark

    Credit: Acoustics: an electrically-powered [?] Edison-type phonograph demonstrated at an exhibition [in Paris?]. Wood engraving. Wellcome Collection. Source: Wellcome Collection.

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