12 Scientific Works published by Longmans, Green, cSr 3 Co. 



TELEGRAPHY AND THE TELEPHONE. 



HOPKINS. Works by WILLIAM J. HOPKINS, Professor of Physics 



in the Drexel Institute, Philadelphia. 



THE TELEPHONE : Outlines of the Development of Trans- 

 mitters and Receivers. With 7 Full-page Illustrations and 39 Diagrams. 

 Crown 8vo. , y. 6d. 



TELEPHONE LINES AND THEIR PROPERTIES. Crown 



8vo., 6s. 



PREECE AND SI VE WRIGHT. TELEGRAPHY. By Sir W. 



H. PREECE, K.C.B., F.R.S., V.P.Inst., C.E., etc., Engineer-in-Chief and Elec- 

 trician, Post Office Telegraphs ; and Sir J. SIVEWRIGHT, K.C.M.G., General 

 Manager, South African Telegraphs. With 267 Illustrations. Fcp. 8vo. , 6s. 



ENGINEERING, STRENGTH OF MATERIALS, ETC. 



ANDERSON. THE STRENGTH OF MATERIALS AND 



STRUCTURES : the Strength of Materials as depending on their Quality and 

 as ascertained by Testing Apparatus. By Sir J. ANDERSON, C.E., LL.D., 

 F.R.S.E. With 66 Woodcuts. Fcp. 8vo., y. 6d. 



BARR Y. RAILWAY APPLIANCES: a Description of Details 



of Railway Construction subsequent to the completion of the Earthworks and 

 Structures. By Sir JOHN WOLFE BARRY, K.C.B., F.R.S., M.I.C.E. With 

 218 Woodcuts. Fcp. 8vo., 45. 6d. 



GOODMAN. -MECHANICS APPLIED TO ENGINEERING. 



By JOHN GOODMAN, Wh.Sch. , A. M. I. C. E. , M. I .M . E. , Professor of Engineering 

 in the Yorkshire College, Leeds (Victoria University). With 620 Illustrations 

 and numerous Examples. Crown 8vo. , js. 6d. net. 



LOW. K POCKET-BOOK FOR MECHANICAL EN- 

 GINEERS. By DAVID ALLAN Low (Whitworth Scholar), M.I.Mech.E., 

 Professor of Engineering, Kast London Technical College (People's Palace), 

 London. With over 1000 specially prepared Illustrations. Fcp. 8vo. , gilt edges, 

 rounded corners, js. 6d. 



SMITH. GRAPHICS, or the Art of Calculation by Drawing 



Lines, applied especially to Mechanical Engineering. By ROBERT H. SMITH, 

 Professor of Engineering, Mason College, Birmingham. Part I. With 

 separate Atlas of 29 P'lates containing 97 Diagrams. 8vo., 155. 



STONE Y. THE THEORY OF STRESSES IN GIRDERS 



AND SIMILAR STRUCTURES; with Practical Observations on the 

 Strength and other Properties of Materials. By BINDON B. STONEY, LL.D., 

 F.R.S., M.I.C.E. With 5 Plates and 143 Illust. in the Text. Royal 8vo., 36^. 



UNWIN. Works by W. CAWTHORNE UNWIN, F.R.S., B.S.c. 

 THE TESTING OF MATERIALS OF CONSTRUCTION. 



A Text-book for the Engineering Laboratory and a Collection of the Results 

 of Experiment. With 5 Plates and 188 Illustrations and Diagrams in the 

 Text. 8vo. , i6s. net. 



ON THE DEVELOPMENT AND TRANSMISSION OF 



POWER FROM CENTRAL STATIONS : being the Howard Lectures 

 delivered at the Society of Arts in 1893. With 81 Diagrams. 8vo., IQS. net. 



WARREN. ENGINEERING CONSTRUCTION IN IRON, 



STEEL, AND TIMBER. By WILLIAM HENRY WARREN, Challis Professor 

 of Civil and Mechanical Engineering, University of Sydney. With 13 Folding 

 Plates and 375 Diagrams. Royal 8vo. , i6r. net. 



