C 88 1 



building Ihould be reared of brick, or of ftone and 

 lime, all round the infide -, this wall need not exceed 

 in thicknefs one brick in length, or if of ftone, about 

 one foot thick; beyond that, the wall which is full 

 fix feet in thicknefs, fhould be made of fod on the 

 outfide, and earth rammed firm within that. The 

 infide wall of this building may be feven or eight 

 feet high in the fides, on which may be placed the 

 couples to fupport the roof, and the walls at the ga- 

 bels carried up to the height of the couples. Upon 

 thefe (hould be laid a roof of reeds, or thatch, that 

 Ihould not be lefs than three feet in thicknefs, which 

 ihould be produced downward till it covers the 

 whole of the walls on each fide; but here, if thatch 

 or reeds be not in fuch plenty as could be wifhed, 

 there is nooccafion for laying it quite fo thick. In 

 the roof, exa6l:ly above the middle of the building, 

 Ihould be placed a wooden pipe of a fufficient length 

 to rife a foot or two above the roof, to ferve occa- 

 fionally as a ventilator. The top of this funnel 

 Ihould be covered, to prevent rain from getting 

 through it, and a valve fitted to it, that by means of 

 a ftring could be opened or fhut at pleafure. A 

 window alfo fiiould be made upon one fide for giv- 

 ing light, the fl:rudure of which will be beft under- 

 ftood from the fedlion of this part Of the building, 

 Vfhich is reprefented at Fig. 2. F. G. It is necef- 



fary 



