Harper's Library of Living Thought

Fig. 15. View of Ether machine complete and in action.
(See Chapter V, and figs. 12 and 13.)
Frontispiece

THE ETHER OF
SPACE

BY

SIR OLIVER LODGE, F.R.S.

D.Sc. Lond., Hon. D. Sc. Oxon. et Vict.
LL.D. St. Andrews, Glasgow, and Aberdeen
Vice-President of the Institution of Electrical Engineers
Rumford Medallist of the Royal Society
Ex-President of the Physical Society of London
Late Professor of Physics in the University College of Liverpool
Honorary Member of the American Philosophical Society of Philadelphia;
of the Manchester Philosophical Society; of the Batavian
Society of Rotterdam; and of the Academy of Sciences of Bologna

Principal of the University of Birmingham

ILLUSTRATED

LONDON AND NEW YORK
HARPER & BROTHERS
45 ALBEMARLE STREET, W.
1909

Copyright, 1909, by Harper & Brothers
All rights reserved

[vii]

PREFACE

Investigation of the nature and propertiesof the Ether of Space has long been for me themost fascinating branch of Physics, and I welcomethe opportunity of attempting to make generallyknown the conclusions to which I have so farbeen led on this great and perhaps inexhaustiblesubject.

OLIVER LODGE.

University of Birmingham,
March, 1909.

[viii]

TO THE FOUNDERS OF
UNIVERSITY COLLEGE, LIVERPOOL,
ESPECIALLY TO THOSE BEARING THE NAMES
OF RATHBONE AND OF HOLT
THIS BOOK IS INSCRIBED

[ix]

CONTENTS