Rare. Fifth edition of the treatise by the German mathematician, chemist and physicist Muller (1581-1659). The work is enriched by numerous illustrations and is divided into 5 books which respectively deal with: the instrumentation to be used; the transmutations; & nbsp; rare preparations, focusing in particular on those based on mercury, sulfur and arsenic; the distillates, balms and essences, finally the rare and secret remedies and preparations to cure diseases. & nbsp; & nbsp;