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قراءة كتاب Electricity and Magnetism

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Electricity and Magnetism

Electricity and Magnetism

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دار النشر: Project Gutenberg
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NATURE'S MIRACLES, VOL. III.

Electricity
and Magnetism

BY

ELISHA GRAY, Ph.D., LL.D.

WILLIAM BRIGGS
29-33 Richmond St. West, Toronto
C. W. Coates, Montreal, Que.
S. F. Huestis, Halifax, N.S.


CONTENTS.

CHAPTER   PAGE
Introduction v
I. The Author's Design 1
II. History of Electrical Science 6
III. History of Magnetism 20
IV. Theory and Nature of Magnetism 25
V. Theory of Electricity 39
VI. Electrical Currents 49
VII. Electric Generators 62
VIII. Atmospheric Electricity 77
IX. Electrical Measurement 83
X. The Electric Telegraph 88
XI. Receiving Messages 103
XII. Miscellaneous Methods 108
XIII. Multiple Transmission 114
XIV. Way Duplex System 129
XV. The Telephone 134
XVI. How the Telephone Talks 145
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