Why sewer traps are unreliable, and how to apply the ounce of prevention against disease germs in sewer air Why sewer traps are unreliable, and how to apply the ounce of prevention against disease germs in sewer air

Collection: Medicine in the Americas, 1610-1920 Author(s): Richardson, Joseph Gibbons, 1836-1886 author Publication: [Philadelphia?] : [publisher not identified], [1882?] Language(s): English Format: Text Subject(s): Sanitary Engineering Air Pollution, Indoor -- prevention & control Communicable Disease Control Copyright: The National Library of Medicine believes this item to be in the public domain (More information) Extent: 8 pages Illustrations: Illustrations NLM Unique ID: 101210377 (See catalog record) Permanent Link: http://resource.nlm.nih.gov/101210377