. The book of the garden. Gardening. HEATING BY HOT-WATER PIPES. 183 under it too,) for sawdust or any non- conducting material; the masonry is out- side of this—s s s s is masonry. This may be of any thickness. In the sketch it is only 4^ inches, or half brick, except where the boiler rests upon the wall of the houses, where it is 9 inches thick ; 11 t £ is water of the boiler, all round the fire in every direction, except the feeding- mouth and ash-pit; y y is a stone slab resting on the sawdust above the boiler, with holes 4 inches square for the pipes to pass ; Simple and econ
. The book of the garden. Gardening. HEATING BY HOT-WATER PIPES. 183 under it too,) for sawdust or any non- conducting material; the masonry is out- side of this—s s s s is masonry. This may be of any thickness. In the sketch it is only 4^ inches, or half brick, except where the boiler rests upon the wall of the houses, where it is 9 inches thick ; 11 t £ is water of the boiler, all round the fire in every direction, except the feeding- mouth and ash-pit; y y is a stone slab resting on the sawdust above the boiler, with holes 4 inches square for the pipes to pass ; Simple and economical heating-appara- tuses have been too little apparently cared for by inventors generally, and hence that numerous and very zealous portion of the gardening community, amateurs, are year after year left to mourn over their dead and dying stock of plants, with no other alternative before them than a recurrence to a yearly trial of their good nature and zeal—buying or begging. Mr Smith's apparatus, de- scribed at page 175, will be found a use- ful appendage to the amateur's garden, and modifications of it, or of several others illustrated in this work, might be employed with economy and satisfaction. One of the most homely we can suggest would be placing one, or at most two, earthenware vessels, capable of containing three or four gallons of water each, such as are used for holding spirits, and called in Scotland greybeards, within a plant frame or pit of three or four lights or sashes, the whole frame about 14 feet in length—setting them on the surface amongst the plants, so as to present their surface clear on all sides for the radiation of heat. By a simple contrivance a small pipe could be secured to the bottom of each, and brought without the frame or pit, for the purpose of allowing the water, wiien reduced in temperature, to escape, while a fresh supply of hot water could be let into them by means of another small pipe bent into the bung-hole, hav- ing its other
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectgardening, bookyear18
