Scientific Works published by Longmans, Green, &> Co. 1 1 

 ELECTRICITY AND MAGNETISM. 



CUMMING Electricity treated Experimentally. For the use of Schools 

 and Students. By LINNAEUS GUMMING, M.A., Assistant Master in 

 Rugby School. With 242 Illustrations. Crown 8vo. 4s. Qd. 



DAY Exercises in Electrical and Magnetic Measurements, with 

 Answers. By R E. DAY. 12mo. 3s. Qd. 



DE TUNZELMAO A Treatise on Electricity and Magnetism. By 



G. W. DE TUNZELMANN, B.Sc., M.I.E.E. [In Preparation. 



OORE The Art of Electro -Metallurgy , including all known Processes 

 of Electro-Deposition. By G. GORE, LL.D., F.R.S. With 56 Wood- 

 cute. Fcp. 8vo. 6s. 



JENKIN Electricity and Magnetism. By FLEEMING JENKIN, F.R.S.S., 

 L. & E., M.I.C.E. With 177 Illustrations. Fcp. 8vo. 3s. Qd. 



LARDEN Electricity for Public Schools and Colleges. By W. LARDEN, 

 M.A. With 215 Illustrations and a Series of Examination Papers with 

 Answers. Crown 8vo. 6s. 



POTSEK Works by A. W. POYSER, M.A., Grammar School, Wisbech. 



Magnetism and Electricity. With 235 Illustrations. Crown 



8vo. 2s. 6d. 



Advanced Electricity and Magnetism. With 317 Illustrations. 



Crown 8vo. 4s. Qd. 



SLINGO and BROOKER Electrical Engineering for Electric Light 



Artisans and Students. By W. SLINGO and A. BROKER. With 307 

 Illustrations. Crown 8vo. 10s. Qd. 



TYND ALL Works by JOHN TYNDALL, D.C.L., F.R.S. See p. 12. 



TELEGRAPHY AND THE TELEPHONE. 



OULLEY A 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. 16s. 



HOPKINS Telephone Lines and their Properties. By WILLIAM 

 JOHN HOPKINS, Professor of Physics in the Drexel Institute of Art, 

 Science and Industry, Philadelphia. Crown 8vo. 6s. 



PREECE and SIYEWRIGHT Telegraphy. By W. H. PREECE, C.B., 

 F.R.S., M.I.C.E., &c., Engineer-in-Chief and Electrician to the 

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

 South African Telegraphs. With 255 Woodcuts. Fcp. 8vo. 6s. 



