This book indicates the magnitude to which physical medicine has grown. The author does not slight technical details and fundamental questions in any of the areas explored. The treatment of electrophysiology, especially electroencephalography, is detailed and modern. Curves are drawn with exactitude, and equations are given in complete and intelligible form. A fine tradition of scholarship, which presupposes on the one hand a precise use of mathematics and, on the other, a correct use of modern languages, is well exemplified in this book. It is particularly illustrated in the long section on diathermy and short wave therapy, probably one of the best summaries of this subject available. This section alone is illustrated by sixty-four figures, all apparently original. They are about equally divided between diagrams explaining theoretic concepts and sketches or photographs showing practical applications.
The author at times traverses shaky ground. On page 472 he refers to the administration