The Book and Complete Outfit will be sent, POST-PAID, upon receipt of 35 cents, by
THOMAS M. ST. JOHN, 407 West 51st St., New York City.
Things A Boy Should Know About Electricity.
(In Preparation.)
This book explains, in simple, straightforward language, many things about electricity; things in which the American boy is intensely interested; things he wants to know; things he should know.
It is free from technical language and rhetorical frills, but it tells how things work, and why they work.
It is brimful of illustrations—the best that can be had—illustrations that are taken directly from apparatus and machinery, and that show what they are intended to show.
This book does not contain experiments, or tell how to make apparatus; our other books do that. After explaining the simple principles of electricity, it shows how these principles are used and combined to make electricity do every-day work. The following are
Some of the Things Electricity Can Do: