50 



DAIRY LABORATORY GUIDE 



accuracy. The test is described by Professor Gray 

 in the following manner: 



Apparatus 



The apparatus required for making the test is as 

 follows : 



Balances. Sensitive to 0.025 gram. A balance 

 suitable for weighing samples of cream for the Bab- 



B : 



FIG. 34 



cock test should be satisfactory for weighing samples 

 of butter for this test; however, there are many 

 cream balances in use which are not accurate enough 

 for weighing either cream or butter samples. 



Weights. One 5 gram and one 10 gram. 



Graduate. For measuring 6 c.c. 



