Mercury seal traps versus sewer gas and malaria: the most perfect trap and seal against sewer gas yet invented, secured by patents

Collection:: Medicine in the Americas, 1610-1920
Author(s):: Sewer Gas Mercury Seal Co.
Publication:: Philadelphia : Sewer Gas Mercury Seal Co., 1883
Language(s):: English
Format:: Text
Subject(s):: Sanitary Engineering -- instrumentation
Mercury
Genre(s):: Advertisements
Copyright:: The National Library of Medicine believes this item to be in the public domain (More information)
Extent:: 12 p.
Illustrations:: Illustrations
NLM Unique ID:: 63230360R (See catalog record)
Permanent Link:: http://resource.nlm.nih.gov/63230360R

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