Philocophus: or, The deafe and dumbe mans friend. Exhibiting the philosophicall verity of that subtile art, which may inable one with an observant eie, to heare what any man speaks by the moving of his lips / ... By J.B. surnamed the Chirosopher.

  • J. B. (John Bulwer), 1606-1656
Date:
1648

Licence: Public Domain Mark

Credit: Philocophus: or, The deafe and dumbe mans friend. Exhibiting the philosophicall verity of that subtile art, which may inable one with an observant eie, to heare what any man speaks by the moving of his lips / ... By J.B. surnamed the Chirosopher. Source: Wellcome Collection.

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