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.

12 THE CHEMISTRY OF MATERIALS OF ENGINEERING By A. Humboldt Sexton. Professor of Metallurgy, Glasgow and West of Scotland Technical College. Third Edition. Crown 8vo. Price 5s. net, post free 5s. 6cl. net, abroad 5s. 9d. net. 37 An interesting and very useful text-book.”—Mechanical Wor'd „ An excellent book we congratulate the author. ”-Science and Art of Mining. . Å a u >>e ' o b-?ok the beginner, but a convenient book of reference ■for the engmeer. — Rmlroad Gazette. hnthT?net^0o°riS °ne7n wWch Btudents of engineering will find inuch matter that is botn interesting and useful. —Glasgow Herald. MECHANICAL ENGINEERING MATERIALS. By Ed. C. R. Marks, Assoc. M. lust. C.E., M.I. Mech. E., &c. &c. Second Edition. u Price 2s. 6d. net, post free2s. 9d. net, abroad 3s. net. 38. Mr. Marks is a practised author upon engineering’ subjects, and what he has to 'sauÄu-re-ates m a clear and eoncise fashion.”—Engineering Tim-8. . „„„ 8 1S und?ubtedly the best book on this subject, and we have no hesitation in recommendmg it to all engineers and to those who are interested in this important subject.”— The Steam hip. .he niany treatises on the subject of metallurgy the small work betore us is entitled to a prominent place.”—Irish Engineering Review. SAND AND CLAY: THEIR ANALYSIS AND PHYSICAL PROPERTIES. By A. C. Passmore. Price 2s. net, post free 2s. 3d. net, abroad 2s. 6d. net. 39 “ The work serves its purpose admirably, and in many cases it will prove a handy book of reference.”—E tat's Gazette. 1 “ It offers a plain and practical statement of the analysis and physical properties ■ot sand and clay in their relation to building work.”—Building World. METALLURGICAL MANUAL OF IRON AND STEEL : Their. Structure, Constitution, and Production, A Practical Treatise for the Use of Manufacturers, Engineers, and Students. By Horace Allen, Author of “ Mortern Power Gas Producer Practice and Applications,” &c. &c. Nearly 400 pages. Crown 8vo. Price 6s. net, post free 6s. 6d. net, abroad 6s. 9d. net. 40. MODERN IRONFOUNDRY PRACTICE. Vol. I.: Foundry Equipment, Materials Used, and Processes Followed. By Geo. R. Bale, Assoc. M. Inst. C.E. Crown 8vo. 400 pages. Price 5s. net, post free 5s. 6d. net, abroad 5s. 9d. net. 41. ’ “T° fc.he Practical man ‘Modern Ironfoundry Practice’ should prove a decided acquisition. —Science and Art of Mining. ,,“To,the engineering student, draughtsman, young moulder and patternmaker, the volume would appear to be of inestimable value.”—Medel Enginetr. A u®eflll,anJi up-to-date work on foundry practice. . . . The book is well balänoea and will be found a useful guide to modern practice in ironfounding-.”— Mechanical World. b MODERN IRONFOUNDRY PRACTICE. Vol. II. : Macliine Mouldmg and Monlding Machines, Physical Tests of Cast Iron, Methods of Cleaning Castings, &c. &c. By Geo. R. Bale, Assoc. M. Inst. C.E. Crown 8vo. Price 3s. 6d. net, post free 4s. net, abroad 4s. 6d. net. 42. ’ ■?,maehines illustrated and described are typicalones, besides which the reader i a exhaustive account of the physical tests of cast iron, which has now tOu™.y.ery thoroushly tested before being- put into use.”—Scentific Amei'ican. This is the second and apparently concluding volume of an up-to-date and practical work on ironfounding, which we can recommend with confldence. . . . ±ne chapter on testings is very complete, and taken altogether the complete work is a most satisfactory exposition of the science and art of ironfounding1 accordinfir to present-day practice.”—Mechanical World.