BULLETIN 1009, U. S. DEPARTMENT OF AGRICULTURE. 



(. tests representative samples of every Lot of bottles received, 

 rejecting those appreciably under capacity, (c) fills his bottles to 

 a height determined from the results of his tests, and (d) has his 

 labels printed with a definite, correct statement of the quantity of 

 contents and applies them unaltered. 



The calculated maximum variations in the volume of bottled foods, 

 as given in Table 9, have been computed from the weight variation 

 allowed the blowers by the manufacturers, and by the use of the 

 relation between the weight and volume of bottle glass. 



Table 9. — Calculated maximum variation in volume of bottled foods. 





Calculated. 



maximum 





variation in volume. 



Capacity 

 of 











bottles. 



Individual 

 bottles. 



Average of 

 representa- 

 tivesamples. 



Fl. oz. 



Fl.oz. 



Fl. oz. 



i 



0.10 



0.014 



1 



.10 



.014 



2 



.19 



.027 



4 



.24 



.034 



6 



.24 



.034 



8 



.29 



.041 



12 



.29 



.041 



16 



.39 • 



.056 



24 



.39 . 



.056 



32 



.58 



.083 



64 



1.16 



.17 



128 



1 94 



.28 



Data on the capacity of bottles and volume of food in bottles indi- 

 cate that only a small percentage of the bottles of food filled in 

 accordance with good commercial practice, as outlined in this bul- 

 letin, should vary in quantity of contents by more than the calculated 

 maximum variations. 



LITERATURE CITED. 



(1) Glass Bottle Blowers' Association of the United States and Canada. 



Wage scale and working rules, 1914-15. 



(2) Hamor, W. A. The present status of the glass bottle and hollow ware 



industries in the United States. In J. Ind. Eng. Chem., 5 (1913) : 951- 

 954. 



(3) Merriman, Mansfield. A textbook on the method of least squares, Sth ed. 



New York, 1913. 



(4) Runkel, H. Weight variation of package foods. U. S. Dept. Agr. Bull. 



897 (1920), 20 pp. 



(5) U. S. Department of Commerce, Bureau of the Census. Abstract of the 



census of manufactures, 1914, pp. 209-210. 



(6) U. S. Department of Commerce, Bureau of Foreign and Domestic Com- 



merce. The glass industry — Report on the cost of production of glass 

 in the United States. In Misc. Series 60 (1917), pp. 303-306. 



(7) U. S. Tariff Commission. The glass industry as affected by the war. 



Tariff Information Series 5 (1918), p. 147. 



WASHINGTON : GOVERNMENT PRINTING OFFICE : L921 



