12 Scientific Works published l>\ Longmans, Green, i>~ Co. 



TELEGRAPHY AND THE TELEPHONE. 

 BENNETT. lltt TELEPHONE SYSTEMS OF CONTI- 



NENTAL EUROPE. By A. R. BKNNETT, Member of the Institute of 

 Electrical Engineers ; late General Manager in Scotland of the National Tele- 

 phone Company, and General Manager and Electrician of the Mutual and New 

 Telephone Companies. With 169 Illustrations. Crown 8vo. , i$s. 



CULLEY.K HANDBOOK OF PRACTICAL TELEGRAPHY. 



By R. S. CULLEY, M.I.C.E., late Engineer-in-Chief of Telegraphs to the Post 

 Office. With 135 Woodcuts and 17 Plates. 8vo. , i6s. 



PREECE AND SiyglVXSGffT.-TELEGRAPm 7 . By W. H. 



PKEECE, C.B., F.R.S., V.P.Inst., C.E., etc., Engineer-in-Chief and Electrician 

 Post Office Telegraphs ; and Sir J. SIVKWKIGHT, K.C.M.G., General Manager, 

 South African Telegraphs. With 258 Woodcuts. Fcp. 8vo., 6.t. 



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., 3.?. 6</. 



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., M.I.C.E. With 218 Wood- 

 cuts. Fcp. 8vo., 43. 6d. 



STONE Y. THE THEORY OF THE STRESSES ON 



GIRDERS AND SIMILAR STRUCTURES. With Practical Observations on 

 the Strength and other Properties of Materials. By BINDON B. STONKY, 

 LL.D., F. R.S., M.I.C.E. With 5 Plates and 143 illustrations in the Text. 

 Royal 8vo. , 36^. 



UN WIN. Works by WILLIAM CAWTHORNE UNWIN, 

 F.R.S., B.S.C. 



THE TESTING OF MATERIALS OF CONSTRUCTION. 



Embracing the description of Testing Machinery and Apparatus Auxiliary 

 to Mechanical Testing, and an Account of the most Important Researches 

 on the Strength of Materials. With 141 Woodcuts and 5 Folding-out Plates. 



8\'O. , 2IJ. 



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., 

 los. net. 



WARREN. ENGINEERING CONSTRUCTION IN IRON, 

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

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

 Plates, and 375 Diagrams, Royal vo. , i6.r. net, 



