Giovanni Battista della Porta Magiae Naturalis libri viginti Lugd. Batavorum, 1644. Volume in duodecimo, 132x77mm with signature, lacking last blank. Beautiful engraved title page with 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 contemporary vellum with yapp edges.  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. Featured on Esoterica episodes!