OF THE

INDUCTIVE SCIENCES,

FROM THE EARLIEST TO THE

PRESENT TIME.

BY WILLIAM WHEWELL, D.D.,

MASTER OF TRINITY COLLEGE, CAMBRIDGE.

THE THIRD EDITION, WITH ADDITIONS.

IN THREE VOLUMES.

ΛΑΜΠΑΔΙΑ ΕΧΟΝΤΕΣ ΔΙΑΔΩΣΟΥΣΙΝ ΑΛΛΗΛΟΙΣ.

VOLUME III.

LONDON:

JOHN W. PARKER AND SON, WEST STRAND.

913531

LONDON:

SAVILL AND EDWARDS, PRINTERS,
CHANDOS STREET.

TILDEN LIBRAR

1895

CHAPTER I.-DISCOVERY OF LAWS OF ELECTRIC PHENOMENA.

8

CHAPTER II.-THE PROGRESS OF ELECTRICAL THEORY.

Question of One or Two Fluids

Question of the Material Reality of the Electric Fluid

BOOK XII.

HISTORY OF MAGNETISM.

CHAPTER I.-DISCOVERY OF LAWS OF MAGNETIC PHENOMENA.

37

HISTORY OF GALVANISM, OR VOLTAIC ELECTRICITY.

CHAPTER I.-DISCOVERY OF VOLTAIC ELECTRICITY. . 61