Modern methods of sewage disposal : for towns, public institutions, and isolated houses / by Geo. E. Waring, Jr.
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Modern methods of sewage disposal : for towns, public institutions, and isolated houses / by Geo. E. Waring, Jr. Credit: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.). Public Domain Mark