Design and Construction of Induction Coils. By A. F. Collins. 155 illus., 272 pp., demy 8vo. (New York, 1909.) 12s. 6d. net.

Plans and Specification for Wireless Telegraph Sets. By A. F. Collins. Crown 8vo. (S. & C. Series, Nos. 41 and 42). (New York, 1912.) 1s. 6d. each net.

Part I. An Experimental Set and a One to Five Miles Set. 37 illus., viii + 45 pp.
Part II. A Five to Ten Mile Set and a Ten to Twenty Mile Set. 63 illus., viii + 72 pp.

Switchboard Measuring Instruments for Continuous and Polyphase Currents. By J. G. Connan. 117 illus., 150 pp., 8vo. (1908.) 5s. net.

Electric Cables, their Construction and Cost. By D. Coyle and F. J. O. Howe. With many diagrams and 216 tables, 466 pp., crown 8vo, leather. (1909.) 15s. net.

Management of Electrical Machinery. By F. B. Crocker and S. S. Wheeler. Eighth edition, 131 illus., 223 pp., crown 8vo. (New York, 1909.) 4s. 6d. net.

Electric Lighting: A Practical Exposition of the Art. By F. B. Crocker. Royal 8vo. (New York.)

Vol. I. The Generating Plant. Sixth edition, 213 illus., 470 pp. (1904.) 12s. 6d. net.
Vol. II. Distributing Systems and Lamps. Second edition, 391 illus., 505 pp. (1905.) 12s. 6d. net.

The Care and Management of Ignition Accumulators. By H. H. U. Cross. 12 illus., 74 pp., crown 8vo. (S. & C. Series, No. 19.) (1910.) 1s. 6d. net.