The product is a hardcover book titled "1915 Viavi Hygiene: Explaining The Natural Principles Upon Which The Viavi System of Treatment For Men, Women, and Children is based" published by The Viavi Company in San Francisco. Written by Hartland & Herbert E. Law, this original revised edition from 1915 delves into the topic of medicine and the Viavi method of treatment. The book is in English and offers insights into the science and medicine of that era, making it a valuable collectible for those interested in the history of medical practices in North America. Smoke and pet free household. We combine shipping on multiple orders!!!
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