Isis unveiled, Volume 1 (of 2), Science / A master-key to mysteries of ancient and modern science and theology

Obvious typographical errors have been silently corrected. Variations in hyphenation have been standardised but all other spelling and punctuation remains unchanged with the exception of Greek and Hebrew which have been extensively corrected. The corrections are listed at the end of the book.
The cover was prepared by the transcriber and is placed in the public domain.
A MASTER-KEY
TO THE
Mysteries of Ancient and Modern
SCIENCE AND THEOLOGY.
H. P. BLAVATSKY, CORRESPONDING SECRETARY OF THE THEOSOPHICAL SOCIETY.
“Cecy est un livre de bonne Foy.”—Montaigne.
Vol. I.— SCIENCE.
FOURTH EDITION.
NEW YORK: J. W. BOUTON, 706 BROADWAY. LONDON: BERNARD QUARITCH. 1878.
Copyright, by J. W. BOUTON. 1877.