First published in 1931, this book is the second edition of a 1917 original. The text provides an account of the method of least squares, aiming to obtain the best interpretation of the results of experiment without consideration of the way in which these results are obtained.
First published in 1934, and then in a second edition in 1939, this book reviews theoretical meteorology at the time. Where theory failed to explain phenomena, the author limited himself to a description of the phenomena and an indication of such theory as was felt to be helpful.