266 



THE FLORAL WORLD AND GARDEN GUIDE. 



to the appearance. Also to the same end, as well as to throw off 

 water, let the sill he bevelled at d. Above the sashes are to be hung 

 on pivots small lights for ventilation. These may be opened and 

 kept so by means of a small iron having holes in it, to drop 



on 



GROUND PLAN OF REMOVABLE GBEENHOCSE. 



to a pin fixed in the lower sash (Figs. 11 — 5). This iron mutit also 

 have a joint so as to hang down when the ventilator is shut. The 

 rafter plate and gutter are formed out of one piece, seven iuches by 

 four inches, and the gutter must be lined with zinc or thin lead, to 

 prevent the water injuring the wood. A small lead pipe will convey 



