By Charles-William Scheele, Member of the Royal Academy at Stockholm; with a Prefatory Introduction, by Torbern Bergman; Translated from the German by J. R. Forster, L.L.D. F.R.S. and S.A. Member of Several Learned Societies and Academies in Europe. To which are Added Notes, by Richard Kirwan, Esq. F.R.S. with a Letter to Him from Joseph Priestley, L.L.D. F.R.S.