Methods of Paving. 



173 



FIG. 242. — ROUGH-EDGED 

 SLABS. 



in length, an inch 

 wide and three 

 inches deep. For 

 hundreds of years 

 they have been 

 used by the 

 country people, set 

 on edge, as a 

 " pitched " paving, 

 often with a deeper 

 kerb of the hard 

 sandstone. Whole 

 inn-yards rnay be 

 found of such 

 pavement.^ Some- 

 times they ,, were 

 set in patterns and 

 are so used now, 

 with guiding lines 

 of the yellowish 

 sandstone and a 

 filling of the pur- 

 plish black iron- 

 stone. Fig. 240 

 shows such a 



I'-IG. 243. 



-PAVEMENT OF RECTANGULAR FLAGS 

 OF PORTLAND STONE. 



FIG. 244. — STONE PAVING Vi^ITH " RANDOM " JOINTS. 



