54 SOLID MEASURE. 



duct, divided by 1728, will give its contents in solid feet ; 

 and these, divided by 16, will give the number of tons. 



Ex. Required the number of tons in a heap of broken 

 metal, its length at the ground being 9 feet 4 inches, and 

 at the top 8 feet 10 inches ; its breadth at the top 6 feet 2 

 inches, and at the ground 6 feet 10 inches ; and depths 2 

 feet 6 inches, 2 feet 9, and 3 feet. 



FT. IN. 



9 4 



8.10 



2)18 2 



9 1 mean length. 

 6 6 



OR 



9 feet 1 inch equal to 109 inches. 

 6 feet 6 inches 78 



872 



118 1 763 



44 3 4 6 8502 



16)162 446 2 feet 6 inches equal to 33 



10 5 3 o tons nearly. 25506 



25506 



1728)280566 



16)162 T % feet nearly. 

 10 ^ tons nearly. 



To find the Number of Tons from the Table: Look 

 in the left hand column for the length, and for the 

 breadth and depth in the first and second columns, right 

 of the former, and in the next right of these, and in the 

 same line with them, is the number of tons. 



