THE AMMONIATED SUPERPHOSPHATES. 337 



AlVCVIONIATED SUPERPHOSPHATES. 



Russel Coe^s Ammoniated SuperpJiospTiate. 



Valuation per ton of two thousand pounds : — 



48.2 pounds of soluble phosphoric acid . 

 79.8 pounds of reverted phosphoric acid . 

 244.2 pounds of insoluble phosphoric acid 

 38 pounds of nitrogen . . . 



n. 



Enoch Coe's Ammoniated Superphosphates. 

 (Messrs. Arms & Co., Greenfield, Mass.) 



$6 03 

 7 18 



14 65 

 7 60 



$35 46 



Valuation per ton of two thousand pounds : — 



60.2 pounds of nitrogen $12 04- 



202.4 pounds of soluble phosphoric acid . . . 25 30 



24.6 pounds of reverted phosphoric acid . . 2 22 



55.4 pounds of insoluble phosphoric acid . . 3 32 



43 $42 88 



