166 



Testing Milk and Its Products. 



slot is closed. The sampler is made 

 in two lengths, 21 and 18 inches, 

 and has been found very convenient 

 for sampling either milk or cream. 

 1873. e. Michels' cream-sam- 

 pling tube consists of a modified 

 Scovell sampler in a tin jacket. It- 

 was constructed by Professor John 

 Michels, late of North Carolina agri- 

 cultural college. This sampler ren- 

 ders possible an accurate and rapid 

 sampling of any cream, regardless 

 of its richness and acidity, without 

 stirring the cream. 



188. f. Composite sampling with a 

 "one-third sample pipette." Milk is 

 FIQ ' Sampler 6 McKny sometimes sampled directly from the 

 weighing can into the Babcock test bottle 

 by means of a pipette hold- 

 ing 5.87 cc., which is one- 

 third the size of the regu- 

 lar pipette. This quantity 

 is measured into the test 

 bottle from three successive 

 lots of milk from the same 

 patron and the test then 

 made in the ordinary man- 

 ner. In this way one test 

 shows the average composi- 

 tion of the milk delivered 

 during three successive days 

 or deliveries. When this 

 method is adopted, as many 

 test bottles are provided as ^ 55 TeBt . bottle rack for use in 

 there are patrons; there is no creameries and cheese factories. 



