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.

13 THE PRINCIPLES OF IRONFOUNDING (AND FOUNDRY METALLOGRAPHY). By A. Humboldt Sexton, F.I.C. F.C.S., late Professor of Metallurgy at Glasgow and 'West of Scotland Teclinical College, Autlior of “ Chemistry of Engineering Materials,” &c, and John S. G. Phimrose, A.G.T.C., A.I.M M Lecturer on Metallurgy, Glasgow Tecbnical College, Member of the Iron and Steel Institute, Institute of Metals, &c. Price 6s. net, post free 6s. 6d. net, abroad 6s. 9d. net. 43. HYDRAULIC POWER ENGINEERING. A Practical Manual on the Concentration and Transmission of Power by Hydraulic Mächinery. By G. Croydon Mäbks, M.P., Assoc. M. Inst C E Fellow of the Chartered Institute of Patent Agents' Second Edition, Revised and Enlarged. Price JOs. 6d. net, nost free lis. net, abroad Ils. 6d. net. B 27 unhe?it?tin?b recommended as a useful and up-to-date manual on nyaraulic transmission and utihsation of power.”—Mechanical World. NOTES ON THE CONSTRUCTION AND WORKING OF PUMPS. By Edwabd C. R. Marks, Assoc. M. Inst. C.E., &c. Second Edition. Crown 8vo. 260 pages. Price 4s. 6d., post free 5s. net, abroad 5§. 3d. net. ° 44. ‘‘ cuC01,n;enient an(1 useful book of reference.”—The Builder. . .?.uld “able engineers and manufacturers to select the apparatus best suited totheir requirements. — Mechanical World. »uiueu is ,one "hich may be recommended to all who are interested in the field of engineering work. —Mai ine Engineering. „Purch^ers Of pilnlps 'I*.11 f!nd,a collection of'information in this volume which may save them much trouble. —Page’s Magazine. CENTRIFUGAL PUMPS, TURBINES, AND WATER MOTORS : including the Theory and Practice of Hydraulics (specially adapted for Engineers). By Chas. H. Innes, M. å. Lecturer on Engineering at the Rutherford College, Newcastle-on- lyne. Fourth Edition, enlarged. Crown 8vo. Price 4s. 6d. net, post free 5s. net, abroad 5s. 3d. net. 45, ’ nridiTi1'8 exfcl"emely useful work, in its fourth edition, has received further and pr°e^sures.”—°n Cenfcri^al PumPs and fans for hi&h lifts fuga?pVnÄa’-J”Ä adnnrably-written book on the centri- oo„.Th0Se ,who have wanted a Simple treatment of the theory and desitrn of i?t "_27(eaEn^neerand turbines wiU welconie this book, and we can recommend of 0Ur readel's ^h.is book must be favourably knöwn. We have on EnXh fd » rS reco"}men,ded ’t t0 mquirers as the best book on the subject in Knglisn, at a reasonable price. —American Machmist. H°W TO USE WATER POWER. By HerbertChatley, B.Sc. Price 2s. 6d., post free 2s. 9d. net, abroad 3s. net. 46. bvä^nH^Uth°r of.thi? litt,e book gives a succinct account of the principles of hy“ For1 hrf^1.neer-lngrn-fn eas',ly comP<-ehendible form.”—Mechanical World. have Xn and wpS'r^ieity’.ClearnJeSS this is one of the best little books we Jower.^Ä7J0S in the Application of water