Morton's Radiology

the literature dealing with X-rays. At the same time the difficulties which the beginner is likely to meet are everywhere carefully considered and the methods which the author prefers are lucidly explained. The first part of the book deals with the elements of electrical principles as applied to X-ray apparatus. This is the weakest part of the book, and we think that more space might with advantage have been devoted to information about the various sources of electrical supply? primary batteries, accumulators, dynamos, etc., and the methods of measuring electricity. The second part of the book contains descriptions of all the apparatus essential in a modern installation. This part of the book is very full, the information given is adequate, clear, and up-to-date, the different types of X-ray tubes and accessories in common use are well