THE BABCOCK TEST 



27 



Fig. 7 - 

 Acid meas- 

 ure. 



E. Pipette. This holds 17.6 c.c, as shown 

 in Fig. 5. Since about .1 c.c. of milk will 

 adhere to the inside of the pipette it is ex- 

 pected to deliver only 17.5 c.c, which is equiva- 

 lent to 18 grams of normal milk. 



F. Acid Measures. In making a Babcock 

 test equal quantities, by volume, of acid and 



" milk are used. The acid measure, shown in 



Fig. 6, holds 17.5 c.c. of acid, the amount needed for one 

 test. The one shown in Fig. 7 is divided into six divisions, 

 each of which holds 17.5 c.c. or one charge of acid. Where 



