16 



CONTROL SERIES NO. 118 

 Ground Bone 



Manufacturer 



American Agricultural Ciiemical Co. 



Apothecaries Hall Co 



Armour Fertilizer Works .... 



Consolidated Rendering Co. 



Eastern States Farmers' Exchange 



A. H. Hoffman, Inc 



International Minerals & Chemical Corp. 



Olds & Whipple. Inc 



John Reardon & Sons Division of Wilson 

 & Co., Inc 



Rogers & Hubbard Co. 



Swift & Company Fertilizer Works 



Nitrogen 



Found 



3.23 



3.68 

 2.69 

 3.01 



'2.70 

 ,2.73 



3.74 



/3.53 



13.42 



2.03 

 2.13 

 2.86 

 4.36 

 4.29 

 4.45 

 3. 95 

 4.01 

 3.68 

 4.03 

 4.36 

 3.96 

 3.92 



2.75 



Guaran- 

 teed 



2.47 

 2.47 

 2.47 

 2.47 



2.25 



2.47 



2.47 

 2.47 

 2.47 



2.30 

 2.30 



3.70 



2.47 



2.47 

 2.47 



2.00 

 2.00 

 2.47 

 3.70 

 3.70 

 3.70 

 3.70 

 3.70 

 3.70 

 3.70 

 3.70 

 3.70 

 3.70 



2.47 



Total 

 Phosphoric Acid 



Found 



24.65 

 23.65 

 25.25 

 23.95 



24.85 



27.30 



23.95 

 24.00 

 25.70 



26.75 

 27.30 



25.70 



26.05 



24.30 

 20.75 



26.25 

 25.30 

 26.25 

 24.38 

 24.18 

 23.93 

 22.45 

 23.90 

 22.20 

 21.70 

 23.70 

 24.15 

 20.85 



26.35 



Guaran- 

 teed 



23.00 

 23.00 

 23.00 

 23.00 



22.00 



23.00 



23.00 

 23.00 

 23.00 



23.00 

 23.00 



23.00 



21.00 

 21.00 



23.00 

 23.00 

 23.00 

 24.70 

 24.70 

 24.70 

 20.00 

 20.00 

 20.00 

 20.00 

 20.00 

 20.00 

 20.00 



23.00 



Degree of 

 Fineness 



Coarser 



than 1/50 



Inch 



33.8 

 45.4 

 46.1 

 23.4 



39.9 



52.4 

 42.8 

 21.0 



28.9 

 24.7 



63.4 



38.8 



41.8 

 40.9 



10.2 

 11.0 

 33.4 

 20.9 

 12.7 

 5.7 

 26.7 

 68.8 

 35.7 

 36.2 

 10.9 

 15.0 

 44.1 



25.5 



Samples Showing Commercial Shortage of iVIore than $1 per Ton 



American Agricultural Chemical Co. . 



International Minerals & Chemical Corp. 



Rogers & Hubbard Co. . 



21.00a 



23.75 

 25.85 

 26.65 



21 . 30e 



30.35 



30.85 



29.65 



29.00 



23.75i 



23 . 85* 



23.00 

 23.00 

 23.00 

 23.00 



23.00 



23.00 

 23.00 

 23.00 

 23.00 

 24.70 

 24.70 



55.5 

 39.1 

 26.0 



33.5 



32.1 



32.0 



45.2 



15.2 



4.4 



4 3 



Commercial shortage per ton: a $2.79; b $.S.67; 

 H $1.84; t $1.24; j $1.24; k $1.05. 



.46; d $2.29; e $2.56; / $2.81; g $6.07; 



