“Philosophy of The Universe” or a General System of Chymical, Metaphysical, & Mathmatic Knowledge in which The Origin, natural properties of The Three Principles of Nature are Fully described. The Production & Maturation of Metals & Minerals. A Complete Treatise upon The Wisdom of God & The Excellency of Nature. With a General Key Enriched with a Great Variety of Metaphysical, Mathematical & Theosophic Figures. Forming a Complete Treatise upon The Abstract & Useful Arts & Sciences. Translated from the Original German of Baron George Von Welling, and Carefully corrected and Revised by: Francis Barrett F.R.C. (with Additional Notes & Observations) London June 1801. R.A.M.S. 1989. 175 pages. (WELLING: _original.PDF)

Table of Contents

Translators Preface. p.4
Table of Contents. p.9
Book I.
Of the Origin of the Three Principles.
Part the First. Of Salt Characterized.
Chapter I. Origin of Common Salt. p.14
Chapter 2. Of the Nature of Salt. p.46
Chapter 3. Of the Use of Salt. p.64

Book Two.
Mago Cabbalistici & Theosophici.
The Second Part. Treating of Sulphur.
Chapter I. The Birth & Rise of the heavenly as well as the Earthly Sulphur. p.93
Chapter 2. The use and properties of the Heavenly Sulphur. p.114
Chapter 3. Of the Nature & Advantage and Use of the Earthly Sulphur. p.128

Book III.
Operis Mago Cabbalistici Et Theosophici
Part III. Of Mercurio.
Chapter I. Concerning the origin, rise of the Heavenly and Earthly Mercurii. p.151
Chapter 2. Of the Use and Advantage of the Heavenly Mercurii. p.163