Vol. I.: The Induction of Electric Currents.

Fifth Issue. Illustrated. 5vo., cloth, 641 pp: Net, $5.00

Third Issue. Illustrated. 8vo., cloth, 587 pp Net, $5.00

FOSTER, H. A. With the Collaboration of Eminent Specialists. Electrical Engineers' Pocket Book.

A handbook of useful data for Electricians and Electrical Engineers. With innumerable Tables, Diagrams, and Figures. The most complete book of its kind ever published, treating of the latest and best Practice in Electrical Engineering. Seventh Edition, completely revised and enlarged. Fully Illustrated. Pocket Size. Leather. Thumb Indexed. 1636 pp $5.00

FOWLE, F. F. The Protection of Railroads from Overhead Transmission Line Crossings.

35 illustrations. 12mo., cloth, 76 pp Net, $1.50.

36 illustrations. 16mo., cloth, 192 pp. (Installation Manuals Series) Net, $1.00