The country house; a practical manual of the planning and construction of the American country home and its surroundings (1905)
Hooper, Charles Edward, 1867- · New York : Doubleday, Page & company · leaf 248
Fig. 41. Types of the non-syphoning trap … may be seen. B has a glass bottom,and the rubber ball, while driven down-ward by the outflow of water, resumesits position as this ceases and closesthe mouth of the pipe. This is sup-posed to break the syphonic action andalso to prevent the backing up of waterfrom the waste pipe. C and D…
Architecture, Domestic · Suburban homes · Gardens
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