THE USE OF THE BABCOCK TESTER 



15 



This measurement gives a correct reading for whole 

 milk. For cream, take reading from the center of 

 the meniscus, on account of the larger amount of fat 

 in neck of cream bottle, and consequently in the 

 meniscus. 



(1 



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Fig, 18. — Scovell 

 Milk Sampling Tube 



Fig. 19.— McKay 

 Milk Sampler 



In testing skim-milk an increased proportion of 

 sulphuric acid must be used on account of the lesser 

 amount of fat present and the increased proportions 

 of solids which must be dissolved by the acid. The 



