This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 Excerpt: ...to lift the grating above ground level without using a curb. It will be noticed that the trap can be turned so as to discharge direct in any ...
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 Excerpt: ...to lift the grating above ground level without using a curb. It will be noticed that the trap can be turned so as to discharge direct in any direction. Access to the trap is, however, thus rendered difficult, especially when the down-pipe discharges directly over the grating, so that it is better to connect the down-pipe to a short arm emptying into the side of the gully hopper, as shown in Fig. 59, below the grating; though if this be done a wire cage should be provided at the top of the down-pipe to keep back leaves. With or without a raising piece, the trap can easily be reached (by a ladle if the raising piece be long) for removal of any accumulated rubbish, while sink and bath wastes or surface water can be allowed to discharge over the grating--only if surface water is to be admitted, the curb must be sunk beneath the general level of the surface to be drained. Whenever possible it is well Fig. 61. Winser's Rain-water Shoe. to bring the rainwater from several down-pipes to a single gully, to reduce the risk of the trap evaporating and so being left unsealed in a long drought, and to shorten the length and number of unventilated branches. For this purpose gullyhoppers are made with several side intakes, as shown in Fig. 60, to which the rain Fig. 62. North British Plumbing Co. 's Iron Gully and Trap. water down-pipes are connected by short lengths of stoneware or iron drain-pipes of the same diameter. These are ventilated thoroughly, the gully gratings acting as inlets and the down-pipes as outlets, the fact of discharge of outlet ventilation taking place under eaves being no disadvantage, as only clear rain-waters are conveyed through the pipes, which are thus not liable to become foul. The only new precaution necessary is that of providing access to ...
8vo. Cloth New Edn. Illus viii, 168 pp. Backstrip worn; Library label verso f. cover; stamp prelims & later; ink no. on title page; shelf no. on spine; foxinge. p's and prelims and intemittently in text.
Very Good. No Jacket as Issued. Book. 12mo-over 6¾"-7¾" tall. Pp: 1-3 ( ads, including endpapers), viii, 150, -18 ( ads, including endpapers). Six plates, of which three are folding, eighty-seven figures to the text, illustrations to the advertisements. Appendix, index. Provincial Board of Health, Toronto, stamp to front free endpaper and to title page. Bookseller's stamp to front pastedown. Foxing to half-title and to the following half-dozen leaves, after that quite clean and tight; some foxing to edges of text block. Bound in ribbed green cloth, titled in gilt to top board and to spine.
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