nts for Dwellings, It might be useful to explain that when two sewersjoin together in the direction of the flow of the sew-age, as they should always do, what is called a hell-Tnouth is formed with a ventilating shaft up to theroadway. One description of these junctions is drawnat fig. 40. There… … are fixed in the road beside the kerb of pavement, and,as will be noticed, are so constructed that they willintercept the road-grit, and so prevent the filling upwith gravel, &c. of the space left for the water. The sewers are deodorised and disinfected in manyways. A view of the apparatus…
