LETTER I.. Extent and Interest of the Subject--Science Employed by

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 Page 1