1. Antiseption: chemical agency directed against the source of sewer-gas : illustrating why mechanical agency alone does not prevent the vitiation of house air by sewer-gas, and why the germicidal action of chloride of zinc has been resorted to as an auxiliary to the water-carriage system Author(s): Hocart, J. Hamelin. Publication: [United States : s.n., 1880?] Subject(s): Drainage, Sanitary -- methodsAnti-Infective Agents -- chemistry
