. An encyclopædia of gardening; . 1952. Syphon sluice. As it is practically impossible to form sluices and drains thatdo not lose more or less water, owdng to the great pressure of the volume in the lake orpond, it is better, where the supply is very limited, to have no drain or sluice, and to drawoff the water when required by a large syphon, which may easily be formed of boards; ora drain may be formed, and, instead of a sluice, a well of clay adopted as a stopper. Tliepower of drawing off the water is seldomused, and, unless in fishponds, or wherefrequent clearing is necessary, sluices areo
. An encyclopædia of gardening; . 1952. Syphon sluice. As it is practically impossible to form sluices and drains thatdo not lose more or less water, owdng to the great pressure of the volume in the lake orpond, it is better, where the supply is very limited, to have no drain or sluice, and to drawoff the water when required by a large syphon, which may easily be formed of boards; ora drain may be formed, and, instead of a sluice, a well of clay adopted as a stopper. Tliepower of drawing off the water is seldomused, and, unless in fishponds, or wherefrequent clearing is necessary, sluices areof little use. The superfluous waterwhich escapes over the head when abund-ant, may form a cascade or waterfall; butwhere the waste is small, it may escapeat one side {fig. Si i. a) as a small gur-gling rill over a bed formed of well-worked clay, to prevent its working outhollows, and covered by gravel, stones,&C-, to give it a clear and natural-like ap-pearance. As the head is generally astraight mound, destitute of naturalbe
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1826
