250 How THE FARM PAYS. 



STONE WORK, CEMENT AND MORTAR. 



One perch of stone work is 24f cubic feet, or 16 J square feet, 18 

 inches thick. 



One square foot of 8-inch wall requires 16 brick. 



(( II (( 19 K If (( i)\ (( 



" " " 16 " " " 32 " 

 " " " 18 " " " 36 " 



