. The book of the garden. Gardening. 362 fig. 500, which support the roof, into a large tank under the portico, and brought _ up again by a for- Fig. 500. • ° Jo xi cmg-pump for the supply of the ; Those parts of the roof immedi- ately over the walks are covered with double plates of iron enclosing a body of air, to prevent the escape of heat; and over these are neat iron gratings, so that any one may walk along to repair the glass, paint, &c. Ventila- tion is effected by opening the windows in front or at the ends, and by letting down the top roof sashes. It is h
. The book of the garden. Gardening. 362 fig. 500, which support the roof, into a large tank under the portico, and brought _ up again by a for- Fig. 500. • ° Jo xi cmg-pump for the supply of the ; Those parts of the roof immedi- ately over the walks are covered with double plates of iron enclosing a body of air, to prevent the escape of heat; and over these are neat iron gratings, so that any one may walk along to repair the glass, paint, &c. Ventila- tion is effected by opening the windows in front or at the ends, and by letting down the top roof sashes. It is heated by a combination of Sylvester's hot-air stove and steam placed in chambers under the floors. From the manner in which the roof of this house is constructed, it will readily be understood that any extent of area may be enclosed; and, in this respect, it approaches very closely to the more recently invented ridge-and-furrow roof. In the latter, no doubt, half the number of columns would suffice, both for supporting the roof, and also for taking away the rain water; but the number of these is no disadvantage, as climbing plants constitute so large a portion of conservatory decoration, and as, for want of such conveniences to train them to, they are much less cultivated than they deserve; for amongst them some of the most beautiful and profuse bloomers are to be found. A further use to which these might be put, in the case of a tropical conservatory, might be to use each alternate column for taking away the rain water, and to make the others the means of heating the atmosphere, the hot water ascending up the centre of the column, and descending down the sides. The heat, by this means, would be radi- ated to all parts of the house. The con- ducting pipes, both for the flow of the hot water and its return towards the boiler, should be placed under the walks, in a detached chamber, and, from these pipes, branch ones might be carried under the beds to afford bottom heat when r
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectgardening, bookyear18
