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HANDBOOK OF CHEMISTRY,"

FOR

SCHOOL AND HOME USE.

BY

W. J. ROLFE AND J. A. GILLET,

TEACHERS IN THE HIGH SCHOOL, CAMBRIDGE, MASS.

K

BOSTON:

WOOLWORTH, AINSWORTH, & CO.

NEW YORK: A. S. BARNES & CO.

1869.

Entered according to Act of Congress, in the year 1868, by

W. J. ROLFE AND J. A. GILLET,

In the Clerk's Office of the District Court of the District of Massachusetts.

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HANDBOOK OF NATURAL PHILOSOPHY. HANDBOOK OF THE STARS.

These are elementary manuals of Natural Philosophy and Astronomy, on the same plan as this book. In each of the three, the more difficult and theoretical portions of the subject are treated in the Appendix.

Also,

THE CAMBRIDGE COURSE OF PHYSICS,

IN THREE VOLUMES:

I. CHEMISTRY.

II. NATURAL PHILOSOPHY.

III. ASTRONOMY.

CAMBRIDGE:

PRESS OF JOHN WILSON AND SON.

PREFACE.

We have prepared this book at the urgent request of many teachers who desire something easier and briefer than the "Chemistry" of the Cambridge Course of Physics. This is a more elementary work, and therefore less theoretical. It is, in a word, a manual of the elementary facts and principles of Chemistry. While there is little that is strictly theoretical in the body of the book, we have not forgotten that Chemistry is not a mere mass of dead facts, but a living science. We have therefore aimed to present the facts in such a way as to awaken a love for the science itself, no less than to show its utility. Our object has been not only to describe the properties of the leading elements and compounds, but also to show the wonderful part played by the chemical force in nature, as well as to illustrate its practical applications in the arts. We have endeavored to give the young student a glimpse of

—"the circle of eternal change, Which is the life of nature,”

a life whose fountain-head is the sun, and whose

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