. The book of the garden. Gardening. GENERAL PRINCIPLES. 123 The rafters are 12 inches deep, 1^ inch in the narrowest part, 5± inches through the rebates, and 3^ inches at the crown, vide fig. 124. Fig. 124. «-~--3*i- >. The house is glazed with sheet glass, 21 ounces to the square foot, in panes 3 feet 2 inches by 9^ inches. A green tinge is given to the glass by means of oxide of copper, with a view to counter- act the effects of white sheet glass on the plants below—a plan suggested by Mr Hunt of the Museum of Economic Geo- logy, and exemplified by him in this house for the first time. O
. The book of the garden. Gardening. GENERAL PRINCIPLES. 123 The rafters are 12 inches deep, 1^ inch in the narrowest part, 5± inches through the rebates, and 3^ inches at the crown, vide fig. 124. Fig. 124. «-~--3*i- >. The house is glazed with sheet glass, 21 ounces to the square foot, in panes 3 feet 2 inches by 9^ inches. A green tinge is given to the glass by means of oxide of copper, with a view to counter- act the effects of white sheet glass on the plants below—a plan suggested by Mr Hunt of the Museum of Economic Geo- logy, and exemplified by him in this house for the first time. Our figs., with slight alterations, are taken from " The ; A great mistake has been fallen into in the construction of the general smoke flue, by not having it placed within a chamber surrounded by air, so as to pre- vent the abstraction of its heat, and the exclusion of damp, to which it is at pre- sent so subject as to render it scarcely possible to make the smoke pass through it, notwithstanding its length and great height of chimney. Curvilinear houses.—In regard to cur- vilinear roofed houses, none, we think, will deny them the merit of elegance in appearance, and of capability of admit- ting abundance of light; but many object to them on the ground of insufficient ventilation, and of the impossibility of removing them, either in whole or in part, at certain seasons of the year; this latter objection being common to them with all houses having fixed roofs. We see little difficulty in overcoming these objections, as a reference to various methods of ventilation will show • and we have a model before us of a curvilinear house so constructed, intended for peach houses and vineries, which will form the subject of our next plate, and in which we shall show that the whole of the glass roof may be removed with almost as little trouble as that of a lean-to house of the ordinary description. We are not aware that any plan has hitherto been adopted to effect
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectgardening, bookyear18
