ELEMENTARY LESSONS

IN

ELECTRICITY AND MAGNETISM

•The

SHOWING THE LINES OF EQUAL MAGNETIC DECLINATION
THOSE OF EQUAL MAGNETIC DIP.

AND

ს

ELEMENTARY LESSONS

IN

ELECTRICITY & MAGNETISM

BY

SILVANUS P. THOMPSON,

D.Sc., B.A., F.R.S., F.R.A.S.

PRINCIPAL OF AND PROFESSOR OF PHYSICS IN THE CITY AND GUILDS OF
LONDON TECHNICAL COLLEGE, FINSBURY;

LATE PROFESSOR OF EXPERIMENTAL PHYSICS IN

UNIVERSITY COLLEGE, BRISTOL

NEW EDITION, REVISED THROUGHOUT
WITH ADDITIONS

New York

THE MACMILLAN COMPANY

LONDON: MACMILLAN & CO., LTD.

1901

All rights reserved