Greenhouse Construction 



It is also not only useful but necessary to flush out the 

 boiler twice or thrice a year, and see also that the chimney 

 is kept clean. With the method of joining the pipes, &c., 

 we need not here be concerned, but a simple diagram has 

 been prepared to show how the pipes should be distributed 

 through a house. (Fig. 75.) 



Cold Frames. 



Many a man who is unable to afford a greenhouse can 

 put up some cold frames, and he will find them most useful 

 for growing and preserving plants which would otherwise 

 be killed by frost. Even those who have greenhouses will 

 quickly discover that many of their choicest plants will, 

 during the summer months, do much better in a cold 

 frame where they can be readily supplied with all the 

 attention they need in the way of water, air, shading, &c., 

 and are not then dependent on the conditions deemed 

 necessary for the proper culture of plants valued above 

 them, but with whose system of culture they do not agree. 

 Although frames can be cheaply bought and then put 

 together, there can be no reason why any handy workman 

 who thinks himself capable should not put one together 

 for himself. I should advise then that some good stout 

 wood be procured, and when set down should be placed on 

 a row of bricks, and in a dry spot, so that the frame will 

 not quickly rot. To further prevent this a yearly coat of 

 paint will go a long way. The bottom over which the 

 frame is stood should be covered with coal ashes for the 

 better preservation of moisture, and the lights covering it 

 should be made up of large pieces of glass, not innumerable 

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