By the Rev. Thomas Gery Cullum. 273 



and a half thick, as represented. The slates I have used 

 are called Dutchesses ; they are one foot broad, and on 

 an average, two feet long. Over each joint (as may be 

 seen in the general view of the wall annexed) a ribbon 

 of slate, three inches wide, is bedded in putty, and fastened 

 on by two screws, to keep out the wet. 



General appearance of the Brick Wall, with its coping, trough, and piers. 



In situations where only one side of the wall is to be used, 

 half brackets may be mortised into bond timber built into 

 the wall, in order to support the slates. One course of 

 brick work is carried above the level of the slated covering, 

 and the usual coping of stone, or saddle brick, as represented 

 on the top, preserves the wall from damage of the weather 

 from above. 



I am, dear Sir, 



yours faithfully, 



Thomas Gery Cullum. 



Hardwick House, 

 Bury St. Edmunds, 

 29th April, 1820. 



vol. iv. Nn 



