An outline of modern views. Illustrated. 5 x 7, cloth, 200 pp Net, $2.00

New Edition in Press

Third edition revised and enlarged. Illustrated. 4 x 6 Leather, 256 pp Net, $1.50

137 illustration. 8vo., cloth, 240 pp Net, $2.50

98 illustrations, 6 x 9, cloth, 120 pp Net, $2.00

A Practical Exposition of the Art for the use of Electricians, Students, and others interested in the Installation or Operation of Electric Lighting Plants.

CROCKER, F. B., and ARENDT, M. Electric Motors: Their Action, Control, and Application.

Second Edition, Revised and Enlarged. 169 illustrations. 6 1/4 x 9 1/4, cloth, 315 pp Net, $2.50

Being a thoroughly revised and rewritten edition of the authors' "Practical Management of Dynamos and Motors." Eighth Edition. Illustrated. 16mo., cloth, 232 pp Net, $1.00