Dangers to Health: A Pictorial Guide to Domestic Sanitary Defects

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J. & A. Churchill, 1883 - 172 Seiten
 

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Seite 41 - ... and to be continued upwards without diminution of its diameter, and (except where unavoidable) without any bend or angle being formed in such soil pipe to such a height and in such a position as to afford, by means of the open end of such soil pipe, a safe outlet for sewer air.

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