TIMBER AND IRON ROOFS. 



Sheet 4. 



Foe Slates. 



Fig. n. 



Fig. 18, 



Foe Slates. 



Foe Slates ok Boaeds. 

 Fia. 15. 



Foe Slates. 



Foe Slates on Boaeds. 

 Fig. 1G. 



For Tiles. 



Fob Tiles. 



Foe Tiles. 



Fig. 17. 



The Scantlings of Timbers shown on this Sheet accord with the Shedule 

 of the Inclosure Coramissioners. — See page 121 . 



