THE ROMANCE OF SCIENCE THE PRESSURE OF LIGHT BY J. H. POYNTING, SC.D., F.R.S. MASON PROFESSOR OF PHYSICS AT THE UNIVERSITY OF BIRMINGHAM SOCIETY FOR PROMOTING CHRISTIAN KNOWLEDGE NORTHUMBERLAND AVENUE, W.C.; 43, QUEEN VICTORIA STREET, E.C.. NEW YORK: E. S. GORHAM QC 467 P7 PREFACE IN the course of the last few years the author has lectured on the Pressure of Light in many places. Some of the lectures have already been published in full or in abstract. In this book the substance of these lectures is set forth more completely and in greater detail than was possible in any one lecture. For readers who desire to study the mathematical calculations involved in the theory of the subject, a series of notes is appended. July 1910. |