254 MAINE AGRICULTURAL EXPERIMENT STATION. I906. 



ACID PHOSPHATE POWDERS. 



7465. Daz'is's 0. K. Baking Pozvder, made by R. B. Davis, 

 X. Y. Purchased from Dunn & Ross, Auburn. In half pound 

 tin. Price per can 20 cents. Cost per ounce 2.1 cents. Guar- 

 anteed acid phospliate, starch and bicarbonate of soda. The 

 acid salt is correctly named. 



7469. Horsford's Self Raising Bread Preparation, made by 

 Rum ford Chemical Works, Providence, R. I. Purchased from 

 C H. Cloutier, Lewiston. In half pound paper package. Price 

 per package 25 cents. Cost per ounce 2.2 cents. Guaranteed 

 acid phosphate, starch and bicarbonate of soda. The acid salt 

 is correctly named. 



7463. Rnniford's Baking Powder, made by Rumford Chem- 

 ical Works. Providence, R. I. Purchased from John Dingley 

 Co., Auburn. In half pound tin. Price per can 15 cents. Cost 

 per ounce i . 8 cents. Guaranteed strictly pure phosphate 

 powder. The acid salt is correctly named. 



ALUM POWDER. 



7472. Bon Bon Baking Pozvder, made by J. C. Grant Chem- 

 ical Co., East St. Louis. Purchased from Biddeford Grocery 

 Co., Biddeford. In one pound tin. Price per can 12 cents. 

 Cost per ounce .07 cents. Guaranteed double sulphate of alum- 

 inum, starch and bicarbonate of soda. The claim that it is an 

 alum powder is correct. 



TARTRATE-ALUM POWDER. 



7477. Ocean Baking Pozvder, made by Ocean Mill, Montreal, 

 P. O. Purchased from Alex Quirion, Waterville. In quarter 

 pound tin. Price per can 10 cents. Cost per ounce 2.2 cents. 

 These were old goods and carried no guarantee. They have 

 been withdrawn from market. Both tartaric acid and alum were 

 found in the goods. 



ACID PHOSPHATE-ALUM POWDER. 



7473. Biskit Baking Pozvder, made by the Biskit Baking 

 Powder Company, Boston. Purchased from J. O. Sullivan, 

 Biddeford. In quarter pound tin. Price per can 10 cents. 

 Cost per ounce 2.3 cents. Guaranteed acid calcium phosphate, 

 alum, starch and bicarbonate of soda. The acid salts are cor- 

 rectly named. 



