Rare Books

The marrow of alchemy, : being an experimental treatise, discovering the secret and most hidden mystery of the philosophers elixer. Divided into two parts: the first containing four books chiefly illustrating the theory. The other containing three books, elucidating the practique of the art: in which, the art is so plainly disclosed as never any before did for the benefit of young practitioners, and the convincing those who are in errours laby.inth [sic]. By Eirenaeus Philoponos Philalethes