Sheet 1. 



Fin. 1 



I 



Foe Slates. 



-20 ' O 



- la' ■ e' 



TIMBER ROOFS. 



For Slates. 



For Slates. 



For Slates. 



For Slates. 



For Slates on Boards. 



For Tiles. 



Fifi. 4. 



Fig. 8. 



For Slates. 



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

 luclosurc Commissioners. — See page 121. 



