Second Edition. 285 pp Net, $2.50

296 pp Net, $2. 50

For the use of Electrical Engineers and others interested in the Theory and Application of Electricity and Magnetism. Fourth Edition, revised Illustrated. 12mo, cloth, 310 pp Net, $1.50

Fourth Edition. Illustrated. 12mo., cloth, 405 pp. $2.00

AUSTIN, E. Single-Phase Electric Railways.

346 illustrations 8 x 11, cloth, 308 pp Net, $5.00

Illustrated. 8vo., cloth, 479 pp Net, $5.00

63 illustrations. 12mo., cloth, 155 pp Net, $1.25

25 illustrations, 2 plates, 5 x 8 cloth. 206 pp $2.00