Greenhouses, their construction and equipment . Fig. 62.—Types of

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Download this stock image: Greenhouses, their construction and equipment . Fig. 62.—Types of glazing points is quite commonly used in window glazing.It is not well suited to greenhouse glazingon account of the difficulty of fastening thepanes of glass with it so that they will notslide down the roof. Probably the most used point in green-house glazing is the double-pointed staple.This is easily driven and when galvanized isnot subject to rust. The best form of thistype of staple is bent to an angle in the cen-ter, so as to fit over and hold the lower edge 110 GREENHOUSES of the pane from slipping lengthwise, as wellas t - 2AXHE1J from Alamy's library of millions of high resolution stock photos, illustrations and vectors.