. An encyclopædia of gardening; comprising the theory and practice of horticulture, floriculture, arboriculture, and landscape-gardening, including all the latest improvements; a general history of gardening in all countries; and a statistical view of its present state, with suggestions for its future progress, in the British Isles. Gardening. ®~~ 15 o. 1952. 'Syphon sluice. As it is practically impossible to form sluices and drains that do not lose more or less water, owing to the great pressure of the volume in the lake or pond,'it is better, where the supply is very limited, to have no drai
. An encyclopædia of gardening; comprising the theory and practice of horticulture, floriculture, arboriculture, and landscape-gardening, including all the latest improvements; a general history of gardening in all countries; and a statistical view of its present state, with suggestions for its future progress, in the British Isles. Gardening. ®~~ 15 o. 1952. 'Syphon sluice. As it is practically impossible to form sluices and drains that do not lose more or less water, owing to the great pressure of the volume in the lake or pond,'it is better, where the supply is very limited, to have no drain or sluice, and to draw off the water when required by a large syphon, which may easily be formed of boards; or a drain may be formed, and, instead of a sluice, a well of clay adopted as a stopper. The power of drawing off the water is seldom used, and, unless in fishponds, or where frequent clearing is necessary, sluices are of little use. The superfluous water which escapes over the head when abund- ant, may form a cascade or waterfall; but where the waste is small, it may escape at one side (Jig. 371. a) as a small gur- gling rill over a bed formed of well- worked clay, to prevent its working out hollows, and covered by gravel, stones, &c, to give it a clear and natural-like ap- pearance. As the head is generally a straight mound, destitute of natural beauty, it should be disguised by small islands (fig. 372. b, c), or varied by plant- ing on the margin, or both ; but as our present business is merely to describe the operations requisite to the formation of pieces of water, we must refer, for what concerns it as a material of landscape, to Landscape-gardening. (Part III. Book IV.) 1953. Surfaces to imitate nature, such as hills, knolls, and all the variety of raised surfaces in pleasure-grounds, are formed by heaping up materials in the indicated shapes ; and hollows of equal variety, by hollowing them out; in both cases, studying to keep the best earth at the surface
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Keywords: ., bookcentury1800, bookpublisherlondonprinte, booksubjectgardening
