The works of the highly experienced and famous chymist, John Rudolph Glauber: containing great variety of choice secrets in medicine and alchymy, in the working of metallick mines, and the separation of metals. Also various cheap and easie ways of making salt-petre, and improving barren-land and the fruits of the earth. Together with many other things very profitable for all the lovers of art and industry. Воспроизведено в оригинальной авторской орфографии издания 1689 года (издательство "London, Printed by Thomas Milbourn, D. Newman, and W. Cooper").