ELECTRIC LIGHTING (ELEMENTARY PRINCIPLES OF).
By Alan A. Campbell Swinton, M. Inst. C.E., M. Inst. E.E. Fourth Edition, Revised. With 16 Illustrations. Crown 8vo, cloth.
[Just Published. 1/6
“Any one who desires a short and thoroughly clear exposition of the elementary principles of electric lighting cannot do better than read this little work.”—Bradford Observer.