178 



AGRICULTURE. 



FIG. 43. GLASSWARE FOR BABCOCK TESTER. 



a Measuring pipette, b Milk-testing bottle, r Cream-testing bottle. 

 d Acid measure. 



(2) PIPETTE. The basis of the test is 18 

 grams of milk. Asa matter of convenience, the 

 amount is measured and not weighed. It is 

 found that a pipette holding 17.6 cubic centi- 

 meters to the mark delivers 18 grams of milk. 

 The pipette is filled by suction of the lips, and 



