18 MEASUREMENT AND WEIGHT OF HAY. 



To find the number of stones at any other rate per 

 cubic yard : 



RULE. Take from the Table the number of stones 

 corresponding to the dimensions of the rick, divide them 

 by 7, and multiply the product by the number of stones 

 supposed to be in a cubic yard of said rick. 



Ex. Required the number of stones in a rick of hay, 

 18 feet high from the ground to the eaves, and from that 

 to the top 9, and girth 60 feet. 



Mean height, 21 feet. 



60 

 60 



3600 

 21 



3600 

 7200 



75600 

 100 



4847)7560000(1559^ stones nearly. 



To find the Weight from the Table: Look for the 

 girth in the left hand column, for the height in the se- 

 cond ; opposite to which, in the third, you will iind the 

 number of stones. 



