THE STANDARD ELECTRICAL DICTIONARY.

A Popular Encyclopædia of Words and Terms Used in the Practice of Electrical Engineering. By T. O’Conor Sloane, A.M., Ph.D. Second Edition, with Appendix to date. Crown 8vo, 680 pp., 390 Illustrations, cloth.

[Just Published. 7/6

“The work has many attractive features in it, and is, beyond doubt, a well put together and useful publication. The amount of ground covered may be gathered from the fact that in the index about 5,600 references will be found.”—Electrical Review.