ELECTRICAL TESTING OF TELEGRAPH CABLES. By Col. V. Hoskiaer. Third edition. 12mo., cloth, $1.50.
HARD SOLDERING, A MANUAL OF INSTRUCTION IN. By H. Rowell, with a chapter on soft soldering and brazing. 12mo., cloth, 75c.
JUST OUT.
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.
25c. BOOKS.
ELECTRICITY. The study of, and its laws for beginners, comprising the laws of electric current generation and flow, Ohm’s law, galvanism, magnetism, induction, principles of dynamos and motors, wiring, with explanations of simple mathematics as applied to electrical calculations. By N. H. Schneider. With 55 original illustrations and 6 tables.