D. VAN NOSTRAND COMPANY'S 



No. 14. FRICTION OF AIR IN MINES. By J. J. Atkinson. 

 No. 15. SKEW ARCHES. By Prof. E. W. Hyde, C.E. Illustrated 

 No. 16. A GRAPHIC METHOD OF SOLVING CERTAIN QUES- 

 TIONS IN ARITHMETIC OR ALGEBRA. By Prof. Geo. L. Vose. 



No. 17. WATER AND WATER-SUPPLY. By Prof. W. H. Corfield 

 of the University College, London. 



No. 18. SEWERAGE AND SEWAGE PURIFICATION. By 

 M. N. Baker, Assoc. Ed. Engineering News. 



No. 19. STRENGTH OF BEAMS UNDER TRANSVERSB 

 LOADS. By Prof. W. Allan, author of "Theory of Arches." 



No. 20. BRIDGE AND TUNNEL CENTRES. By John B. Mo. 

 Master, C.E. 



No. 21. SAFETY VALVES. By Richard H. Buel, C.E. Third edition. 

 No 22. HIGH MASONRY DAMS. By E. Sherman Gould, C.E. 



No. 23. THE FATIGUE OF METALS UNDER REPEATED 

 STRAINS. With Various Tables of Results and Experiments. From 

 the German of Prof. Ludwig Spangenburgh, with a Preface by S. IL 

 Shreve, A.M. 



No. 24. A PRACTICAL TREATISE ON THE TEETH OF 



WHEELS. By Prof. S. W. Robinson. Second edition, revised. 



No. 25. ON THE THEORY AND CALCULATION OF CON- 

 TINUOUS BRIDGES. By R. M. Wilcox, Ph.B. 



No. 26. PRACTICAL TREATISE ON THE PROPERTIES OF 



CONTINUOUS BRIDGES. By Charles Bender, C.E. 



No. 27. ON BOILER INCRUSTATION AND CORROSION 



By F. J. Rowan. New edition, revised and partly rewritten by F. L. 

 Idell, M. E. 



No. 28. TRANSMISSION OF POWER BY WIRE ROPES 

 By Albert W. Stahl, U.S.N. Second edition. 



No. 29. STEAM INJECTORS. Translated from the French oi 

 M. Leon Pochet. 



No. 30. TERRESTRIAL MAGNETISM, AND THE MAGNET- 

 ISM OF IRON VESSELS. By Prof. Fairman Rogers. 



No. 31. THE SANITARY CONDITION OF DWELLING. 

 HOUSES IN TOWN AND COUNTRY. By George E. Waring, jun, 



No. 32. CABLE-MAKING FOR SUSPENSION BRIDGES. Bj 

 W. Hildenbrand, C.E. 



No. 33.^ MECHANICS OF VENTILATION. By George W. Rafter 

 C.E. New edition (1895), revised by author. 



No. 34. FOUNDATIONS. By Prof. Jules Gaudard, C.E. Translated 

 from the French. 



No. 35. THE ANEROID BAROMETER : ITS CONSTRUC- 

 TION AND USE. Compiled by George W. Plympton. Eighth edition. 



No. 36 MATTER AND MOTION. By J. Clerk Maxwell, M.A. 

 Second American edition. 



