ON THE CONVERSION OF HEAT INTO WORK. A Practical Handbook on Heat-Engines. By William Anderson, M.Inst.C.E. With 55 Illustrations. Crown 8vo, pp. viii-252, 6s. cloth.

The object of this work is to popularize the doctrine that, in heat-engines, the work given out is due to the conversion of the molecular motion of heat into the visible motion which it is desired to produce; and further to illustrate, by numerous practical examples, the applicability of the doctrine of Sadi Carnot to defining the limits within which improvement in the economical working of heat-engines is possible.

THE TELEPHONE AND ITS PRACTICAL APPLICATIONS. By W. H. Preece, F.R.S., and J. Maier, Ph.D. [Ready shortly.

“THE SPECIALISTS’ SERIES.”
A New Series of Handbooks for Students and Practical Engineers.
Crown 8vo. cloth. Illustrated throughout with original
and practical Illustrations.
Now Ready.

Electric Lighting.

ARC AND GLOW LAMPS. A Practical Handbook on Electric Lighting. By Julius Maier, Ph.D., Assoc. Soc. Tel. Eng., etc. With 78 Illustrations. Crown 8vo, pp. viii-376, 7s. 6d. cloth. [Just Published.

The whole system of modern electric illumination is dealt with in this volume. It gives a detailed description of all the principal modern generators and lamps, together with conductors and the other appliances required in electric light installations.

It contains also a full account of the various Applications of Electric Lighting up to recent date.

“The author has collected all the most recent available information concerning the process of manufacture, life, &c., of arc and glow lamps in a very convenient and readable form. Indeed, we do not know any work in which the subject is, on the whole, so fully handled.”—The Engineer.

Electric Transmission of Energy.