DR. CHREE has obligingly sent me a copy of his paper entitled “The Relationship between the Solar Constant and Terrestrial Magnetism” (Proc. Roy. Soc. A 109, 1925). He finds no indication in the solar ...
IN this monograph, Dr. Ch. Maurain, the director of l'Institut de Physique du Globe, covers chiefly from an observational point of view the important study of radiation, solar, atmospheric and ...