The Third Part of Philosophical Furnaces

In which is described the Nature of the Third Furnace; by the help whereof, and that without Stills, and Caldrons, and other Copper, Iron, Tin, and Leaden Instruments, various Vegetable burning Spirits, Extracts, Oyls, Salts, &c. by the help of a certain little Copper Instrument, and Wooden Vessels are made for Chymical and Medicinal Uses.