'1* APPENDHC. 



The under flcetch may ferve to give the reader an 

 idea of the manner of building this kind of fence : 



2. 6 



To every foot in height, there are two inches and a 

 half of a batter or flope, in the face of the ftoae 

 vork from a to , making in the whole one foot, eight 

 inches, from the perpendicular ; the thicknefs of the 

 wall at bottom is two feet fix inches, and reduced to 

 about ten inches at top, which is always covered with 

 a fod, to project a little over the face of the wall, and 

 may be produced to any length down the bank, or the 

 back F. 



If the triangle a d r, be not found fufficient to form 

 the bank F, the ground may be excavated further to g, 

 er towards it. 



This flcetch is reprefented as if built on level ground, 

 r nearly fo. When the ground rifes bold behind the 

 fence, lefs ftuff will be necefTary to form the back, and 

 wft verfa. The cheapeft way of building thefe fences 



is. 



