Greenhouse construction : a complete manual on the building, heating, ventilating and arrangement of greenhouses, and the construction of hotbeds, frames and plant pits . rted byposts, at intervals of six feet, will form a good 27 A shows a gas-pipe purlin, and B shows the clipsfor attaching the pipes to the sash bars. The pipe maybe cut in lengths of six feet, and screwed into the tees towhich the posts are attached, or, what is perhaps easier 43 GREENHOrSE CONSTRUCTION. to init up, tho tees are reamed out, so as to allow thepipe to slip through them. The lengths are screwedtogeth
Greenhouse construction : a complete manual on the building, heating, ventilating and arrangement of greenhouses, and the construction of hotbeds, frames and plant pits . rted byposts, at intervals of six feet, will form a good 27 A shows a gas-pipe purlin, and B shows the clipsfor attaching the pipes to the sash bars. The pipe maybe cut in lengths of six feet, and screwed into the tees towhich the posts are attached, or, what is perhaps easier 43 GREENHOrSE CONSTRUCTION. to init up, tho tees are reamed out, so as to allow thepipe to slip through them. The lengths are screwedtogether, and, if desired, can he used as water the purlin is connected by screw-joints with one ormore of the posts on each side, a hose can be attached, :ind, although the effectwill not be lasting, thewater contained in thepipes will have the chilltaken off. When a pipe purlinis used, with supportsmore than eight feetJFIG. ZH. GAS PIPE PURLIN, apart, it does not givegood satisfaction, as it is more or less likely to sag. Inorder to hold the sash bars firmly down on the purlins,iron clips can be used, which should be screwed to, atleast, every other sash
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License: Licensed
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Keywords: ., bookcentury1800, bookdecade1890, bookidgreenhouseco, bookyear1894
