. Vegetable forcing. Forcing (Plants); Vegetable gardening. 24 VEGETABLE FORCING Semi-iron construction (Fig. 10) isbecomingpopular in all parts of the country. It provides for concrete walls, iron posts embedded in concrete, iron purlins and purlin supports, iron braces and sometimes iron eaves-plates. The iron may be in the form of pipe, angle irons, or simply flat bars, the form depending upon their function and the cost and preference of the builder. With the best forms of semi-iron construction, decayed wood parts arc- easily removed and replaced with new parts. When all exposed parts of
. Vegetable forcing. Forcing (Plants); Vegetable gardening. 24 VEGETABLE FORCING Semi-iron construction (Fig. 10) isbecomingpopular in all parts of the country. It provides for concrete walls, iron posts embedded in concrete, iron purlins and purlin supports, iron braces and sometimes iron eaves-plates. The iron may be in the form of pipe, angle irons, or simply flat bars, the form depending upon their function and the cost and preference of the builder. With the best forms of semi-iron construction, decayed wood parts arc- easily removed and replaced with new parts. When all exposed parts of wood and iron are kept properly painted, the house, with only slight repairs, should last 25 years, and then the renewal of decayed sash bars or other parts. Fig. 9.—A modern steel-frame house. Note -large door. should prepare it for many more years of service. The moderate cost and serviceability of semi-iron construc- tion appeal to commercial growers. Iron construction (Fig. !l) is the strongest and most durable. In addition to the iron parts used for semi-iron construction, the gutters, wall and side plates are metal, and there are a certain number of iron rafters to support the roof, so that interior posts are unnecessary. Iron con- struction gives the house greater rigidity, and there is less shading of the plants because of the absence of in- terior posts. Full iron construction costs considerably more than semi-iron, and this is the only reason why it is not more generally 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 Watts, Ralph Levi, 1869-. New York, Orange Judd co.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectvegetablegardening
