16 Sctentific Works published by Longmans, Green, & Co. 


ELECTRICITY AND MAGNETISM -— Con2dinued. 
JENKIN.—ELECTRICITY AND MAGNETISM. By FLEEMING 
JENKIN, F.R.S., M.I.C.E. With 177 Illustrations. Fep. 8vo., 35. 6d. 
JOUBERT.—ELEMENTARY TREATISE ON ELECTRICITY 
AND MAGNETISM. By G. CARrEy FOSTER, F.R.S., Fellow and Emeritus 
Professor of Physics in University College, London; and ALFRED W. PORTER, 
B.Sc., Fellow and Assistant Professor of Physics in University College, London. 
Founded on JOUBERT'’S ‘ Traité Elémentairé d’Electricité’. Second Edition. 
With 374 Illustrations and Diagrams. $8vo., ros. 6d. net. 
JOYCE.—EXAMPLES IN ELECTRICAL ENGINEERING. 
By SAMUEL Joyce, A.I.E.E. Crown 8vo., 55. 
MACLEAN anno MARCHANT.—ELEMENTARY QUES- 
TIONS IN ELECTRICITY AND MAGNETISM. With Answers. Com- 
piled by MAGNUS MACLEAN, D.Sc., M.I.E.E., and E. W. MARCHANT, D.Sc., 
A.I.E.E. Grown 8vo., Is. 
MERRIFIELD.—MAGNETISM AND DEVIATION OF THE 
COMPASS. By JOHN MERRIFIELD, LL.D., F.R.A.S., 18mo., 25. 6d. 
PARR.—PRACTICAL ELECTRICAL TESTING IN PHYSICS 
AND ELECTRICAL ENGINEERING. By G. D. ASPINALL PARR, Assoc. 
M.1.E.E. With 231 Illustrations. 8vo., 85. 6d. 
PO YSER.—Works by A. W. POYSER, M.A. 
MAGNETISM AND ELECTRICITY. With 235 Illustrations. 
Crown 8vo., 2s. 6d. 
ADVANCED ELECTRICITY AND MAGNETISM. With 
317 Illustrations. Crown 8vo., 4s. 6d. 
RHODES.—AN ELEMENTARY TREATISE ON ALTER- 
NATING CURRENTS. By W. G. RHODES, M.Sc. (Vict.), Consulting 
Engineer. With 80 Diagrams. 8vo., 75. 6d. net. 
SZLINGO ann BROOKER.—Works by W. SLINGO and A. 
BROOKER. 
ELECTRICAL ENGINEERING FOR ELECTRIC LIGHT 
ARTISANS AND STUDENTS. With 383 Illustrations. Crown 8vo., 12s. 
PROBLEMS AND SOLUTIONS IN ELEMENTARY 
ELECTRICITY AND MAGNETISM. With 98 Illustrations. Cr. 8vo., 2s. 
TYNDALL.—Worksby JOHN TYNDALL,D.C.L.,F.R.S. Seep.36. 
TELEGRAPHY AND THE TELEPHONE. 
HOPKINS. — TELEPHONE LINES AND THEIR PRO- 
PERTIES. By WILLIAM J. HOPKINS, Professor of Physics in the Drexel 
Institute, Philadelphia. Crown 8vo., 6s. 
PREECE ano SIVEWRIGAT.— TELEGRAPHY. By Sir W. 
H. PREECE, K.C.B., F.R.S., V.P.Inst., C.E., etc., Consulting Engineer and 
Electrician, Post Office Telegraphs ; and Sir J. SIVEWRIGHT, K.C.M.G., General 
Manager, South African Telegraphs. With 267 Illustrations. Fep. 8vo., 6s. 
