7. YORKSHIRE. 165 



each fquare yard oi fur face colls, at this price, 

 fevenpence half-penny. 



The folic! contents of a cone whofe bafe is 

 60 feet diameter, and whole height is fix 

 feet, is 209.4 cubical yards ; each of which 

 cofts, in the above inftance, elevenpence- 

 halfpenny. 



Five pounds have been given for a pond 

 twelve yards in diameter : which is tenpence- 

 halfpenny each fquare yard of furface ; and, 

 fuppofing it four feet deep, two Ihillings 

 -each cubical yard of water. 



Three guineas v;ere given for forty feet 

 diameter, and four feet deep, the excavation 

 having been previoufiy formed. This mav 

 be called four pounds for the grofs ; whicli 

 is about fevenpence a fquare yard of fur- 

 face ; or fifteenpencc-halfpenny each cubi- 

 cal yard of water. 



The men in the laft cafe earned abou!: 

 three fliillings and fixpence a day, without 

 extraordinary exerrion. In the firft mention- 

 ed iniiance, the lame workmen did not (ac- 

 cording to their own afTertion) make more 

 than Lwo-aiid-fixpcncc a day. But a large 

 M 3 pond 



