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.

4 ENGINEERING ESTIMATES AND COST ACCOUNTS. By F. G. Burton, formerly Manager of the Milford Haven Shipbuilding- and Engineering Company, Ltd. Second Edition. Crown 8vo. CJoth, price 3s. net, post free 3s. 3d. net, abroad 3s. 6d. net. 3. “ Contains many useful hints and valuable information.”— The Builder. “ To all who have to do with engineering estimates and cost accounts, this treatise should prove eminently useful. It is to be heartily commended to the notice of managers, foremen, and draughtsmen.”—Steamship. “The author has undoubtedly a thorough grasp of his subject. . We have formed a high opinion of the work. It is, perhaps, the best book of its kind and price in the market, and has our hearty commendation.”—Science and Art of M inmg. THE ELEMENTS OF ENGINEERING ESTIMATING. A Practical Book for Managers, Engineers, and the Works Office. By A. Suggate, A.M.I.C.E. Crown 8vo. 135 pages. Price 3s. 6cL net, post free 3s. 9d. net, abroad 4s. net. 4. THE PROPORTIONS AND MOVEMENT OF SLIDE VALVES. By W. D. Wansbrouoh, author of “The ABC of the Differential Calculus,” &c. Price 4s. 6d. net, post free 5s. uet? abroad 5s. 6d. net. 5. “For those who desire an intimate knowledge of the subject, the book is one of the best.”—Power. “The book should prove a useful contribution to the literature of slide valve problems.Marine Engineering. This publication will come as a boon to all who are in touch with, or con- trolling, engines of any class.”—Irish Engineering Review. “Students, draughtsmen, and engineers generally, who are in search of a com- plete investigation of slide valve problems, should tind in Mr. Wansbrourii’s work a most useful aid.”—Page’s Magazine. GOVERNORS AND GOVERNINO MECHANISM. Secondand Enlarged Edition. Crown 8vo, 120 illustrations and folding plates. By R. H. Hall, Mech. Engineer. Price 4s. net, post free 4s. 6d. net, abroad 5s. net. g. “ A elever and conrprehensive treatise.”—Page’s Magazine. “This is an excellent book, and covers the fleld in a fairly comprehensive manner. —Power. ‘‘ May be heartily recommended to our readers as an excellent epitome of the subject. —Model Engineer. “ This useful little book will, no doubt, attract many readers amonefst practical engineers.’"—The E ectrician. “ A credit to the author, and to the press from which it is issued, and extremely useful to all engaged in engineering.”—Irish Engineering Review. STEAM ENGINE DESIGN. By H. E. King. For the use of Engineers, Draughtsmen, and Students. [Ready Shortly. 54.