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 of Barren-Land, and the Fruits of the Earth. Together with many other things very profitable for all the Lovers of Art and Industry.
Translated into English , and Published for Publick Good by the Labour , Care , and Charge , of CHRISTOPHER PACKE, Philo-chymico-Medicus .
LONDON ,
Printed by Thomas Milbourn , for the Author, and are to be sold at his House next Door to the Gun in Little-Moorfields ; by D. Newman at the King’s-Arms in the Poultry , and W. Cooper at the Pellican in Little Britain . MDCLXXXIX.
Opera Johannis Rudolphi Glauberi Imprimantur,
he Art of Chymistry, ( Honoured Sir ) although in its Speculations most Noble and Delectable to a Philosophick Mind, and in its Practice highly Inservient, and Beneficial to Mankind; yet hath it not escaped the Obloquies, and false Imputations of Detractors, and Calumniators, who either through Ignorance, Idleness, or Envy (or all of them conjoin’d) have made a false Representation of this most Noble Art to the World, and endeavoured to set Mankind at the greatest distance from that which is its highest interest to court. For which cause, such Writings as Promulge, and offer at the advancing of the Chymical Art , stand in need of such a Patron as is able to defend them against all the Cavils of Pride, Envy, and Ignorance.
And if the Exquisite Parts, and Profound Learning in the more Abstruse Philosophy, together with a Long, and Indefatigable Scrutiny and Labour in the Chymical Art, accompanied with a happy Practice in the Honourable Faculty of Physick, be fit Accomplishments to Entitle one a Mecænas of this Art; then are those Excellencies all met and Concentred in your self, as is evident to the whole World by your Curious and Learned Epistle to Mundanus, and his Answer to it, which answer will be a Lasting Testimony of your great Worth and Merit.