68 



GREENHOUSES 



sometimes so construct- 

 ed that the gutter 

 slopes from the ends 

 each way toward the 

 center and the water 

 is carried away at 

 that point. Detached 

 houses are less com- 

 monly fitted with gut- 

 ters than formerly, on 

 account of their inter- 

 ference with the clear- 

 ing of snow. A special 



Fig. 37.^Type of gutter f orm f gutter IS Used 

 (a) used on curved- Qn curve d-eave hoUSCS. 



eave houses 



Glazing Bars. These are bars which are 

 spaced along the sides and ends of the house 

 to which the glass is 

 fastened. They are 

 much the same as sash 

 bars, which will be 

 described later, except 

 that they are usually 

 somewhat smaller and 

 are not provided with 

 grooves to conduct 



. . ^ , Fig. 38. Cross section of 



the drip. Corner bars corner bar 



