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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