293 pages, 298 illustrations, 8vo.
Cloth, $1.00 net.

THE
MODEL LIBRARY

VOL. I.
Consisting of the following four American books, with very complete general index.
The Study of Electricity and Its Laws for Beginners.
How to Install Electric Bells, Annunciators and Alarms.
Dry Batteries, How to Make and Use Them.
Electrical Circuits and Diagrams. Illustrated and explained.