THE HOME 



right here, ought always to be what is known 

 as " double-strength." Very severe hailstorms 

 will not injure it, but roofs glazed with single- 

 strength glass are not strong enough to with- 

 stand the effects of a slight storm. 



HOW to heat a greenhouse is one of the 

 problems which the builder often finds 

 perplexing. Shall he use steam, or hot 

 water, or furnace heat, or depend on oil- 

 stoves, or warmth' from the adjoining rooms? 

 If the building is a very small one and it is 

 well made, an oil-stove may be sufficient 

 to furnish all the heat needed in ordinary 

 weather, and a second stove could be held in 

 reserve for very cold spells. If the building 

 happens to be attached to the dwelling and 

 there are wide openings between it and the 

 living-room, enough heat will generally be 

 admitted to keep out frost. But it is not 

 safe to depend on such a method of heating 

 unless the plant-room is very small indeed. 

 Furnace heat can be supplied from the cellar 

 or basement if the dwelling is heated in that 

 manner, but I consider this the poorest of all 

 heat for a greenhouse. Steam heat is perhaps 



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