X-Ray Crystal Analysis

Abstract

At that time the writer of this review was contending strongly that the X-rays must be regarded as corpuscular, if their general behaviour, and in particular their relations to cathode rays, were to be explained systematically. It did not occur to him at that time that undulatory and corpuscular theories could be held and worked simultaneously. Consequently, the new experiment seemed to be fatal to his views. It is now understood, of course, that the two theories must go in double harness, even if they do not always seem to pull together.