FERN POTS, PANS, ROCKWORK, ETC. 
These pockets can also be used singly as masks for 
ordinary pots, which can be inserted and the space filled up 
with moss, sand, or compost. 
Fig. 11.— Slate Box for Window-sill. 
Fig. 11 represents a long slate box suitable for a window- 
sill. This is formed entirely of ridge-slates, three of which 
Fig. 12.— Continuous Slate Pocket. 
form the |bottom and two sides, while three square pieces 
form the two ends and centre strengthening-piece; the handles 
E 
