The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 145
of the sewer. This suc- tion empties the traps along the line of the sewer, and leaves free passage for sewer-gas when the sewer returns to its normal condition by the cessa- tion of the rain.^ Expansion and contraction may also arise from simple changes of temperature, and in the absence of rain.… … In this figure, S indicates the direction of the street sewer, J) shows the end of the house drain. The ventilating pipe, A, is conducted to the pave- ment, or, better, into a kitchen flue, in the manner to be presently de- scribed. Between the drain and the sewer are interposed two traps, '-^ Nos.…
Medicine
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