132 



CREAMERY CALCULATION 



number of pounds of milk is uniform, it does not matter which 

 of the two ways illustrated above is used. But as uniformity 



FIG. 42. A Russian co-operative creamery in Siberia. 

 (U. S. Government Bulletin.) 



in either of these respects scarcely ever exists in practice, the only 

 correct way of calculating the percentage is to find the total 

 number of pounds of fat and divide it by the total number of 

 pounds of milk; the result is .0342, which may be written 3.42 

 per cent. 



