GRAY (Prof. Andrew).—The Theory and Practice of Absolute Measurements in Electricity and Magnetism. 2 vols. Cr. 8vo. Vol. I. 12s. 6d.—Vol. II. 2 parts. 25s.

—— Absolute Measurements in Electricity and Magnetism. Fcp. 8vo. 5s. 6d.

GUILLEMIN (A.).—Electricity and Magnetism. A Popular Treatise. Translated and Edited by Prof. Silvanus P. Thompson. Super Roy. 8vo. 31s. 6d.

HEAVISIDE (O.).—Electrical Papers. 2 vols. 8vo. 30s. net.

JACKSON (D. C.).—Text-Book on Electro-Magnetism. Vol. I. Cr. 8vo. 9s. net.

KELVIN (Lord).—Papers on Electrostatics and Magnetism. 8vo. 18s.

LODGE (Prof. Oliver).—Modern Views of Electricity. Illust. Cr. 8vo. 6s. 6d.

MENDENHALL (T. C.).—A Century of Electricity. Cr. 8vo. 4s. 6d.

STEWART (Prof. Balfour) and GEE (W. W. Haldane).—Lessons in Elementary Practical Physics. Cr. 8vo. Illustrated.—Electricity and Magnetism. 7s. 6d.

—— Practical Physics for Schools. Gl. 8vo.—Electricity and Magnetism. 2s. 6d.