Giovanni Battista della Porta Magiae Naturalis libri viginti, 1607. octavo. Woodcut printer's device to the title, woodcut illustrations. Toned. Old vellum, mounted spine label. twenty-three woodcuts throughout. They represent a range of experiments in natural magic including mathematics, alchemical distillation and the use of lenses to ignite a fire.  Bound in vellum with mounted spine label.  Early Latin edition of the 20 books of natural magic in fine condition.  Classic volume on natural magic featuring a range of magical, alchemical and proto-scientific experiments including a very early recipe for recreational psychedelic drug use.  Perhaps one of the most popular works on natural magic. A lovely early edition with over 20 woodcuts and in fine shape.  Opens nicely and featured on Esoterica episodes!