"The adolescent stage of life has long seemed to me one of the most fascinating of all themes, more worthy, perhaps, than anything in the world of reverence, most inviting study, and in most crying need of a service we do not yet understand how to render aright." The problem of the adolescent at work is a very complex one; not only the economic, but also the educational, physiological, and biological reactions of industrial work have to be considered. The present work does not attempt anything like a comprehensive discussion of the subject; it is merely a small contribution to existing knowledge of the facts in regard to one section only: the physiological effects of industrial work on g…
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