LETTERS
ON
NATURAL MAGIC,
ADDRESSED TO
SIR WALTER SCOTT, BART.
BY
SIR DAVID BREWSTER, LL.D., F.R.S.
SEVENTH EDITION.
LONDON:
WILLIAM TEGG AND Co., 85, QUEEN STREET.
CHEAPSIDE.
1856.
CONTENTS.
Extent and interest of the subject—Science employed by ancient governments to deceive and enslave their subjects—Influence of the supernatural upon ignorant minds—Means employed by the ancient magicians to establish their authority—Derived from a knowledge of the phenomena of Nature—From the influence of narcotic drugs upon the victims of their delusion—From every branch of science—Acoustics—Hydrostatics—Mechanics—Optics—M. Salverte’s work on the occult sciences—Object of the following letters