This volume is packed with significant advice on the practical aspects of testing hearing of a patient, whether an adult or a child. Particular attention, as the title indicates, is given to the use of the audiometer. The book contains a historical account of testing hearing by the tuning fork and the development of the modern audiometer. Being a codesigner of an audiometer, the author recorded a complete account of early experimentation in the field. He had a wide experience with audiometers in clinical applications, and the technic described in chapter in necessarily carries much weight. There are chapters on conductive and perceptive types of deafness and on the value of residual hearing.
The author devoted a chapter to the controversial field of selecting a hearing aid with the use of an audiometer. He assumes that the audiometer is of value for this purpose, but to the question "Can an