. Greenhouse construction and heating: containing full descriptions of the various kinds of greenhouses, stove houses, forcing houses, pits and frames, with directions for their construction, and also descriptions of the different types of boilers, pipes, and heating apparatus generally, with instructions for fixing the same. Greenhouses. 36 GEEBNHOUSE CONSTBUCTION AND HEATING. the ridge by fixing a length of light quartering along each side of the ridge-pUnk, parallel with and 6in. or Sin. from it. These, cut into suitable lengths; may be supported by means of light '' principal" rafters
. Greenhouse construction and heating: containing full descriptions of the various kinds of greenhouses, stove houses, forcing houses, pits and frames, with directions for their construction, and also descriptions of the different types of boilers, pipes, and heating apparatus generally, with instructions for fixing the same. Greenhouses. 36 GEEBNHOUSE CONSTBUCTION AND HEATING. the ridge by fixing a length of light quartering along each side of the ridge-pUnk, parallel with and 6in. or Sin. from it. These, cut into suitable lengths; may be supported by means of light '' principal" rafters, placed 3ft. or 4ft. or so apart—3in. by 2in. stuff will do for these, if the house does not exceed 10ft. or 12ft. in width. The longitudinal spaces thus left on each side the ridge may be covered in with Tin. or 9in. boards, with a cross-brace screwed on here and there to pre- vent warping, hinged to the ridge, and fitted with small case- ment stays. These are easily opened and closed, and admit the air more FIG. 21. evenly all along the house, though they of course obstruct the light to a certain extent, but where placed directly over a narrow central pathway, this is not a matter of any great importance. In the successful culture of tomatoes, peaches, chrysanthemums, and greenhouse plants generally, air must also be admitted at the bottom of the house at certain times, and even vineries are the better for a moderate amount of " side-air'' in very warm weather ; while towards. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ravenscroft, B. C. London, L. U. Gill; New York, C. Scribner's sons
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License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectgreenho, bookyear1901
