Professor Lea, who is well known as the author of "Hydraulics for Engineers and Engineering Students," has here written a shorter book suitable for the courses taken in Technical Schools. Certain of the more elementary portions of the original book are included in this volume, but much of the material is new.
IONS ELECTRONS AND IONIZING RADIATIONS.
By J. A. CROWTHER, M.A., Sc.D.,
UNIVERSITY DEMONSTRATOR IN EXPERIMENTAL PHYSICS IN THE UNIVERSITY
OF CAMBRIDGE.
Third Edition. Demy 8vo. 12s. 6d. net.
This book, originally published in November, 1919, has been thoroughly revised. Many portions have been entirely rewritten and of these the Chapter on "The Electron Theory of Matter" should be especially mentioned. The tables of constants have been revised in accordance with the best data available and the book is in all respects abreast of the progress in this fast developing branch of modern Physics.
London: EDWARD ARNOLD & Co., 41 & 43 Maddox Street, W. 1.