Rare Books

Pyritologia: or, A history of the pyrites : the principal body of the mineral kingdom. In which are considered its names, species, beds, and origin; its iron, copper, unmettalic earth, sulphur, arsenic, silver, gold, original particles, vitriol, and use in smelting. The whole compiled from a collection of samples; from visiting mines; from an intercourse and correspondence with naturalists and miners; but chiefly from a course of chymical enquiries. With a preface, containing an account of the advantages arising from mine-works in general, and particular from those of Saxony