MAGNETOCHEMISIRY by PIERCE W. SELWOOD. PREFACE: People who write books in wartime should have compelling reasons for doing so. This book was started before the full impact of the war effort reached the shores of Lake Michigan. It was finished in the hope that it might contribute, however infinitesimally, to the labors of that army of scientists who seek through natures secrets to parry the blows of an ingenious and pitiless enemy. Magnetochemistry began with Michael Faraday more than one hundred years ago. It enjoyed a vigorous growth under the guidance of Pierre Curie and A. Pascal at the...