Experimental investigation of the spirit manifestations .. - New Age ...

CONTENTS.
APPENDIX.
Letter to the Episcopal Clergy.—Letter from Dr. Hare to the clergy of the
Protestant Episcopal Church, offering to lay hefore them the new evidence of immortality.
(Submitted to the late convention, Philadelphia, May 15, 1855.) 427
A Letter from Dr. Hare.—Addressed to the Association for the Advancement of
Science, at their meeting, August 18, 1855—Preliminary remarks 430
Farradat's Speculation.—Speculation touching electric conduction and the nature
of matter. By Farraday - 432
Motives for Republishing my Memoir on Electrical Theory 437
Electrical Theory.— Objections to the theories severally of Franklin, Dufay, and
Ampere, with an effort to explain electrical phenomena by statical or undulatory
polarization—Supposed grounds for a theory—Proofs of the existence of an enormous
quantity of imponderable matter in metals—Electrical phenomena attributed
to stationary or undulatory polarization—On the perfect similitude between the
polarity communicated to iron filings by a magnetized steel bar and a galvanized
wire—Process by which the ethereo-ponderable atoms within a galvanic circuit are
polarized by the chemical reaction—Difference between electro-ethereal and ethereoponderable
polarization—Competency of a wire to convey a galvanic discharge is
as its sectional area, while statical discharges of frictional electricity, preferring
the surface, are promoted by its extension. Yet in proportion as such discharges
are heavy, the ability of a wire to convey them and its magnetic energy become
more dependent on its sectional area, and less upon extent of surface—Difference
between frictional electricity and galvanic does not depend on the one being superior
as to quantity, the other as to intensity ; but on the different degrees in which
the ethereo-ponderable atoms of the bodies affected are deranged from their natural
state of neutralized polarity—Of ethereo-ponderable deflagration—Summary. 439
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