Thank you for checking out this book by Theophania Publishing. We appreciate your business and look forward to serving you soon. We have thousands of titles available, and we invite you to search for us by name, contact us via our website, or download our most recent catalogues. WORTHY reader, and true enquirer into the secrets of nature, marvel not that in the old age of this world, when it seems to have one foot already in the grave, I have determined to write this tract, although all libraries ale already full of books on this subject-of which, however, the greater part are false, and wear...