. The book of the garden. Gardening. 206 HEATING AS APPLIED IN HORTICULTURE. their houses, on account of the interrup- tion of the doorways. This is easily got over by connecting them on each side of the door, by means of a leaden pipe bent so as to pass under the level of the floor, and rising again to the tank or gutter on the opposite side. This dip must only be made once, for reasons hereafter given. —(Vide section On Causes op Circula- tion, and also fig. 246.) Wooden tanks are excellent when they have to be placed in an elevated position. In such cases they are better than brick, as bein
. The book of the garden. Gardening. 206 HEATING AS APPLIED IN HORTICULTURE. their houses, on account of the interrup- tion of the doorways. This is easily got over by connecting them on each side of the door, by means of a leaden pipe bent so as to pass under the level of the floor, and rising again to the tank or gutter on the opposite side. This dip must only be made once, for reasons hereafter given. —(Vide section On Causes op Circula- tion, and also fig. 246.) Wooden tanks are excellent when they have to be placed in an elevated position. In such cases they are better than brick, as being less ex- pensive ; but in a case like the present, where the tank rests on a solid founda- tion, we think brick or stone preferable. Lawrence's system of tank-heating.—As an instance of employing earthenware tanks, we may notice one described in " The Gardeners' Chronicle," which was erected at Cirencester, and with complete success, although upon a larger scale than ordinary. The diagram, fig. 270, will show its operation : a is the boiler upon Fig. 0 J-/ / 0. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original McIntosh, Charles, 1794-1864. Edinburgh and London, W. Blackwood
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectgardening, bookyear18
