Illustrated with a few pen-drawings, some of chemical apparatus, and some symbolic. The transcripts are by different contemporary hands. Contents: This author, of whom no particulars have been ascertained, states on pp. 301, 302 that he had known Lavoisier personally, and that this great savant had proved the impossibility of the transmutation of metals. Nevertheless, Wolsky claims that the object, subject, and method of Hermetic Science are things entirely distinct from those of Lavoisier's chemistry, and that in this work he has explained the truth of this assertion.