Page:Philosophical Transactions - Volume 001.djvu/118

 time: Where also occasion is taken to discourse of the Original of Diseases, and cure of Poysonous ones. Secondly, of the wonderful Nature of Sulphur, Antimony, Quick-silver, their origine and qualities; together with the productions of Corals and Pearls.

In the tenth: First of Metallurgy, and the way how that unctuous Body, out of which Mettals are produced, is elaborated by Nature, and what therein are Sulphur, Salt, and Mercury; besides, what it is that renders Mettals fluid in the Fire, but not Stones and Vegetables &c. Secondly, of the Requisits to a perfect knowledge of the Metallick Art, and of the Qualities of the Mine-master; then of the Diseases of Mine-men, and their Cure, and the ways of purging the Mines of the Airs malignity; as also of Metallognomy, or the signs of latent Mettals, and by what Art they may be discovered. Thirdly, several Accounts sent to the Author, upon his Inquiries by the Mine-masters themselves, or other chief Over-seers of the Mine-works, touching the variety, nature and properties of Minerals, and the many Accidents happening in Mines, particularly the Hungarian ones at Schemnitz, and those of Tyrol. Fourthly, of several both Hydraulick and Wind-Engines, to free the Mines from Water and noxious damps. Fifthly, Of the way of working Mettals, Gold, Silver, Copper, Iron, and particularly of the method used at Potosi in Peru, of extracting the Silver out of the Mineral: to which is added, a Discourse of Salt pits, and the way of making Salt.

In the eleventh, First, of Alehimy, its Original and Antiquity, the Vessels and Instruments belonging thereunto. Secondly, of the Philosophers Stone, what is meant by it, and whether by means thereof true Gold can be produced? And in general, whether there be any such thing, as a true and real Transmutation of one Metal into another? Where are delivered the several Processes of the reputed Adepti, Raymund Lulle, Azoth, Arnold de Villa nova, Paracelsus, Sendivogius, &c. but all exploded as false and deceitful. Thirdly, Rh