! ELECTRICITY AND MAGNETISM
SILVANUS P. THOMPSON
D.Sc, B.A., F.R.S.^.E.A.S.—''
■ " principal of and professor of physics in the city and guilds j j of london technical college, fin8bury
!| © I professor of applied physics in the university 3 S3 j of london
SEVENTH EDITION REVISED AND ENLARGED
THE MACMILLAN COMPANY .
All rights reserved