318 



MILK AND CREAM TESTING 



grades different volumes of cream would be required to weigh 

 18 grams. A pipette graduated to carry IY.6 c.c. will carry 18 

 grams of ordinary milk, but the cream which would be contained 



Fig. 108. — Cream test bottles, a is preferable to h in three points. The narrower 

 neck permits more accurate reading of the fat, the neck is straight, i.e., not flaring toward 

 the top, and the shoulders are more sloping. 



in that volume would weigh only 15 to 16.5 grams, depending 

 on its richness. It is therefore essential that cream be weighed 

 into the test bottles and not measured as in the case of whole 

 and skim milk. 



