Dynamo Electric Machinery. By Prof. S. P. Thompson. Seventh edition, demy 8vo. (Finsbury Technical Manual.)

Vol. I. Continuous-Current Machinery. With 4 coloured and 30 folding plates, 573 illus., 984 pp. (1904.) £1 10s. net.
Vol. II. Alternating Current Machinery. 15 coloured and 24 folding plates, 546 illus., 900 pp. (1905.) £1 10s. net.

Design of Dynamos (Continuous Currents). By Prof. S. P. Thompson. 4 coloured and 8 folding plates, 243 pp., demy 8vo. (1903.) 12s. net.

Schedule for Dynamo Design, issued with the above. 6d. each, 4s. per doz., or 18s. per 100, net.

Curves of Magnetic Data for Various Materials. A reprint on transparent paper for office use of Plate I from Dynamo Electric Machinery, and measuring 25 in. by 16 in. 7d. net.

Electrical Tables and Memoranda. By Prof. S. P. Thompson. Second ed., 15 illus. viii., + 136 pp., oblong 64mo (waistcoat-pocket size), leather. (1913.) 1s. net. Do., do., in celluloid case. 1s. 6d. net.

The Electromagnet. By C. R. Underhill. 67 illus., 159 pp., crown 8vo. (New York, 1903.) 6s. 6d. net.

Practical Guide to the Testing of Insulated Wires and Cables. By H. L. Webb. Fifth edition, 38 illus., 118 pp., crown 8vo. (New York, 1902.) 4s. 6d. net.

Wiring Rules. With Extracts from the Board of Trade Regulations and the Home Office Regulations for Factories and Workshops. Issued by The Institution of Electrical Engineers. Sixth edition, 42 pp., 8vo, sewed. (1911.) 6d. net.