Please see the [Transcriber’s Notes] at the end of this text.
The cover image has been created for this text and is placed in the public domain.
Harper’s Practical Books for Boys
A SERIES OF NEW HANDY-BOOKS
FOR AMERICAN BOYS
Each Crown 8vo, with many Illustrations.
I
HARPER’S OUTDOOR BOOK FOR BOYS
By Joseph H. Adams. With Additional Contributions by Kirk Munroe, Tappan Adney, Capt. Howard Patterson, L. M. Yale, and others. Cloth, $1.75.
II
HARPER’S ELECTRICITY BOOK FOR BOYS
Written and Illustrated by Joseph H. Adams. With a Dictionary of Electrical Terms. Cloth, $1.75.
IN PRESS
III
HARPER’S HOW TO UNDERSTAND ELECTRICAL WORK
A Simple Explanation of Electric Light, Heat, Power, and Traction in Daily Life. By Joseph B. Baker, Technical Editor, U. S. Geological Survey, formerly of the General Electric Company.
IV
HARPER’S INDOOR BOOK FOR BOYS
By Joseph H. Adams and others. Cloth, $1.75.
V
HARPER’S MACHINERY BOOK FOR BOYS
The Boy’s Own Book of Engines and Machinery. Cloth, $1.75.
HARPER & BROTHERS, PUBLISHERS, NEW YORK
Copyright, 1907, by Joseph H. Adams, N. Y.
THOMAS A. EDISON DICTATING TO HIS GRAPHOPHONE
HARPER’S
ELECTRICITY BOOK
FOR BOYS
WRITTEN AND ILLUSTRATED BY
JOSEPH H. ADAMS
AUTHOR OF
“HARPER’S OUTDOOR BOOK FOR BOYS”
WITH AN EXPLANATION OF ELECTRIC LIGHT, HEAT
POWER, AND TRACTION BY JOSEPH B. BAKER
TECHNICAL EDITOR, U. S. GEOLOGICAL SURVEY
AND
A DICTIONARY OF ELECTRICAL TERMS
HARPER & BROTHERS PUBLISHERS
NEW YORK AND LONDON
MCMVII
Copyright, 1907, by Harper & Brothers.
All rights reserved.
Published November, 1907.