The Steam Injector
A theoretical and practical treatise on the design and operation of injectors and on the flow of fluids through and the design of nozzles.

10 THE NAVAL ENGINEER AND THE COMMAND OF THE SEA. By Francis G. Burton, author of “Engineering Estimates and Cost Accounts,” &c. Crown 8vo. Cloth, price 2s. 6d. net, post free 2s. 9d. net, abroad 3s. net. 29. “The story is written by one who has obviously carefully studied the subjecfr and knows what he is writing about.”—Naval and Military Record. TRUTH ABOUT THE BELLEVILLE BOILER IN THE BRITISK NAVY. By Engineer Wilcke. Price Is. 6d. netr post free Is. 9d. net, abroad 2s. net. 30 CONTINUOUS CURRENT DYNAMOS AND MOTORS AND THEIR CONTROL. By W. R. Kelsey, B.Sc., A.I.E.E., F.Ph.S., Electrical Inspector under the Board of Trade To the Taunton Corporation. New and Re-written Second Edition. Crown 8vo. Cloth, price 7s. 6d. net, post free 8s. net, abroad 8s. 3d. net. 31. “The book may be safely recommended to all who take a practical interest in- continuous current machines.”—Model Engineer. “The book has many features which the practical designer and builder of dynamos and motors will appreciate.”— Mechanical World. “We ean confidently recommend this book as a simply-written and thoroughly practical introduction to the study of continuous current machinery.”—Electrical Magazine. ELECTRIC LIGHTING FOR MOTOR CARS. By Marks and Clebk. Primarily intended for Designers and Manufacturers. of Electric Lighting Apparatus for Motor Vehicles. Contains special chapters on “ The Theory of Motor Car Headlights,” by A. C. W. Aldis, Esq., M.A. (Cantabj,and “Photometric Observations,” by G. A. Shakespeare, Esq., M.A., B.Sc., Lecturer at University of Birmingham. Nearly 50 Illustrations. Crown 8vo. ClothT price 3s. 6d. net, post free 3s. 9d. net, abroad 4s. net. B15. “ The book is not likely to stop at the first edition.”—The Electrician. ELECTRICAL TERMS AND PHRASES. In Shorthand (Pitman’s). Especially valuable to the Shorthand Writer in Engi- neering Offices. By E. J. Rutland. Price ls. net, post free Is. 3d.. net, abroad ls. 6d. net. B21. ELECTRICAL MEASURING INSTRUMENTS AND SUPPLY METERS. By H. W. Moreton. Fully illustratecL Crown 8vo. Cloth. [Ready Shortly. 55. THE A B C OF THE DIFFERENTIAL CALCULUS. By W. D. Wansbrough, author of “ Portable Engines,” “ Proportions and Movement of Slide Valves,” &c. Crown 8vo. Cloth, price- 3s. net, post free 3s. 3d. net, abroad 3s. 6d. net. 32. “ If any man can grasp the Calculus, the author of this little book should enable him to do so, for he has put the matter as clearly as it is possibletodo.”—Cassier’s- Magazine. “The book is the clearest exposition by far of the fundamental theories of the- Calculus we have seen. . . Mr. Wansbrough’s book is really entertaining ; one smiles at its simplicity.”—The Engineer. “ Having in view the character of the subject, the faet of a second edition being- required is evidence that the attempt has been successful, and that the ‘ painless treatment for differential calculus ’ has at last been effeeted.”—Mechanical World. “ We should recommend every student of matheniatics who desires to thoroug-hly grasp the essential principles of the Calculus to make use of this well-named A B C. “ . We were beguiled into reading the work right through . . . and are bound to admit that the difflculties of the Calculus seemed to disappear one af ter another.”—Page’s Magazine'.