Io. Bapt. Portae Neapolitani Magiae natvralis libri XX (1589)
Porta, Giambattista della, approximately 1535-1615 · Neapoli : Apud Horatium Saluianum · leaf 288
eculo £oncauo poft fe auem accendere . Qiiod paucis animaduerfüm eft.Scito [peculum concauum à medio fui pun&o vfq; ad latus exagoni faprafpeculum combarere;víqyad quartam fui diametri partem, ab exagonilates tévfq;adtetragonum extra [peculum ex inferioti fui parte. Abfcindatar ergo pars illa… … 4 ... Columnari concauos e pyramidali ignem acendere, Sed lentifim? , & non nifi mora, & Soli eftiuo , accendirin totalinea,non in pun&o , fed extegfa per pun&um accenfionis circuli fui. Quod idem de pyramidali concauo eueniet. DE SECTIONE P.A4RAABOLIC.A4, $PECVLO MAXIME OMNI M combuflibili . Cap.…
Science -- Early works to 1800 · Industrial arts -- Early works to 1800 · Magnetism -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Io. Bap. Portae Neopolitani de distillatione lib. IX : quibus certa methodo, multipliciq[ue] artificio, penitioribus naturae arcanis detectis, cuius libet mixti in propria elementa resolutio, perfectè docetur (1608)](https://img.insideoutlibrary.com/img/200/ia-iobapportaeneopo00port-55-48.webp)
