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GREENHOUSES 



handle. Since they are subjected to especial- 

 ly rough usage, they must be well construct- 

 ed of good material, and must be kept well 

 painted. Well constructed sash may be se- 

 cured from any reliable dealer in greenhouse 



A B C 



Fig. 2. Standard Hotbed Sash 



A, three run sash; B, four run sash; C; Horned sash; 

 X, iron rod to keep sash from spreading 



material. They may be of either cypress 

 or cedar and have mortise and tenon joints, 

 though the tenons should not extend quite 

 through the bars, or they will be more likely 

 to absorb moisture and thus decay rapidly. 

 All joints should be painted with thick lead 

 paint and should be put together while the 

 paint is green. Sash with a light iron rod or 

 bar across the middle, connecting the side 



