[ IS9 ] 



** timber Into frefli mortar, becaufe the 

 ** lime eats up, and waftes, the ends of 

 ** it long before the other parts decays 

 ** but to lay the ends into loam or clay. 

 " Not to put any window-frames or 

 " door-cafes into new brick-work at the 

 ** time the walls are carried up ; but to 

 " introduce a difcharging-piece, or lin- 

 ** tel, over fuch door and wlndow- 

 " fpaces." The reafon of the laft cau- 

 tion is obvious 5 for as brick-work fet- 

 tles, foon after it is up, the window- 

 frames and door-cafes, on account of 

 their ftrength, Vv^ill not yield with it, 

 but ^.ccafion cracks and flaws ; but when 

 a lintel is made ufe of, the whole work 

 fettles regularly together, and door-cafes 

 and window-frames may be then intro- 

 duced, with more propriety than before. 



With refpedt to materials, tiles or flate 

 are the beft covering for houfes i but 



barns 



