no 



DAIRY TECHNOLOGY 



The Bottle Cap. lidtlk's of ordinary market milk 

 are commonly cappt'd with a pulj) cap thai fits into the 

 countersink mouth of the bottle. This lea\'es the lip 

 of the bottle exposed to the accumulation of dirt and 



I'^IC. 23. — 'I'liis sliow's a l\|K' of sani(ai'\' liitlllc cap, and nu'llnnl ol" 

 n_-iiio\'inL^ sanu'. 



bacteria. Wln'ir milk is poure<l from su(.'h a bottle it 

 ilows over and cai'iies with it whatever contamination 

 ]na}' be there. 



I'roducers of certified milk ha\'e adopted \'arious de- 

 vices to protect the lip of the bottle, Many of them use 



