52 MARKET DAIRYING 
Fig. 13.— Fig. 14.— 
Acid meas- Acid meas- 
ure. ure. 
E. Pipette. This holds 17.6 c.c., as shown 
in Fig. 12. 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. 
u F. Acid Measures. In making a Babcock 
ie test equal quantities, by volume, of acid and 
milk are used. The acid measure, shown in 
Fig. 13, holds 17.5 c.c. of acid, the amount needed for one 
test. The one shown in Fig. 14 is divided into six divisions, 
each of which holds 17.5 ¢.c. or one charge of acid. Where 
