A chair designed for use by the deaf, incorporating a hearing device. Engraving with etching, 1770/1830?.

    Date:
    1770/[1830?]
    Reference:
    568322i

    Licence: Public Domain Mark

    Credit: A chair designed for use by the deaf, incorporating a hearing device. Engraving with etching, 1770/1830?. Wellcome Collection. Source: Wellcome Collection.

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