The author of this book is believed to be the 13th century alchemist referred to as Pseudo-Geber whose real name was probably Paul of Taranto, a Franciscan scholar from Southern Italy, not Jābir ibn Ḥayyān, the 8th century Arab alchemist and father of Arab chemistry. Cf. Newman.
ex Erpenii Rudimentis ut plurimum desumpta cujus Praxi Grammaticae novam legendi praxin addidit Leonardus Chappelow., Main Heritage Compact General, PJ6305 .C53 1730, Book, Item-ID: i15637505, BIB-ID: 1010346
