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.

6 SPECIFICATION FOR A LANCASHIRE BOILER (Work ing Pressure 200 Ib.) By “ Inspector,” M.I.M.E. Cloth, 2s. 6d. net, post free 2s. 9d. net, abroad 3s. net. 13. “Abook which we can well recommend to our readers’favourable notice.”— The Contractor. “In the hands of a prospective buyer of boilers this little brochure would help to solve many questions of a practical nature.”— The Ironmonger. “ This work is one that all who deal with Lancashire boilers may take up with advantage if they desire information upon the boiler or its seating.”—Surveyor. WORKINö OF STEAM BOILERS, being Instruction« respect- ing the Working, Treatment and Attendance of Steatn Boilers. By Edward G. Hiller, Chief Engineer, the National Boiler and General Insurance Co., Limited. Price, paper covers Is., cloth ls. 6d. net, post free ls. 9d. net, abroad 2?. net. B 45. NOTES ON THE MATERIAL, CONSTRUCTION, AND DESIGN OF LAND BOILERS. By Edward G. Hiller, M.I.C.E.. M.I. Mech. E., Chief Engineer, National Boiler and General Insurance Co., Limited. Price, paper covers, ls. net, post free ls. 3d. net, abroad ls. 6d. net; cloth, ls. 6d. net, post free ls. 9d. net, abroad 2s. net; leather, 2s. 6d. net, post free 2s. 9d. net, abroad 3s. net. B 31. NOTES ON BOILER TESTING. By Frederick Grover, M.I. Mech. E., A.M. Inst. C.E., &c. Pi'ice ls., post free ls. 3d. net? abroad ls. 6d. net. 14. PRACTICAL NOTES ON THE CONSTRUCTION OF CRANES AND LIFTING MACHINERY. By Edward C. R. Marks. Assoc. M. Inst. C.E., M.I. Mech. E. New and Enlarged Edition. Crown 8vo. Cloth, price 3s. 6d. net, post free 4s. net, abroad 4s. 3d. net. 15. “We can heartily recommend this book to all enquirers and students in- terested in the subject.”—Model Engineer. “The book is to be recommended as the best on the subject, and will be found of the greatest service to all who have to use or design lifting machinery.— The Steamship. “The author of this book has had splendid facilities for becoming practically acquainted with the subject upon which he writes. . . . The book is admir- ably illustrated throughout, and is a most useful addition to the literature on this subject.”—Engineering Times. AIR COMPRESSORS AND BLOW1NO ENGINES. Speci- ally Adapted for, Engineers. By Chas. H. Innes, M.A., Lecturer on Engineering at Rutherford College, Newcastle-on-Tyne. Crown 8vo. Price 4s. 6d. netj post free 5s. net, abroad 5s. 3d. net. 16. “One of the most useful handbooks on the subject we have yet seen.”— Mechanical World. “ Is by no means the least valuable of this thoroughly practical series.”—The Ironmonger. “To ail who wish to study and know about air compressors this book is in- valuable.”— The Steamship. “This book deals as thoroughly with the subject of air compressors as any work with which we are acquainted.”—Engineering Times. “For those who can readily handle mathematics, the theoretical treatment of the subject is good.”—The Engineer.