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Phytognomonica Io. Baptistae Portae Neap. octo libris contenta. In qvibvs nova, facillimaqve affertur methodus, qua plantarum, animalium, metallorum, rerumque denique omnium ex prima extimae faciei inspectione quiuis abditas vires assequatur. Accedvnt ad haec confirmanda infinita propemodu selectiora secreta. Summo labore, temporis dispendio, & impensarum iactura vestigata, explorataq; cvm privilegio / [Giambattista della Porta]. Public Domain Mark. Source: Wellcome Collection.