ict:-cri';aai factoriI':s 



1/7 



receiving \';it. Fixim here it runs tlirough a pasteurizer, 

 then o\-er a cooler wliicli brings it to a temperature of 

 34"^ to 38"' r., thence to huge holihng vats in a refriger- 

 ated rot)m, where it is held until needed. 



In another cold room is found sweet, unsalted butter, 

 stored at a temperature of about 10" bel(.)W zero Fahren- 

 heit, d'his is usualh' secured b\' contract from whole milk 



i" le. 44. — Sued ircam recci\XTs in Collins Bros.' factory. 



creameries, and is of ^-er)- go^xl C|ualit3" being "June extras" 

 and " P\dl extras." 



To prepare tlie materials for the freezer, butter and 

 milk are placed in proper proportions in a mixing A-at, 

 heateil to aljout 140^ F., and agitated to form an emulsion, 

 then passed through the homogenizer. The emulsion issues 

 from this machine as a homogeneous cream, thoroughly 

 pasteurized and with the fat thorough!}- and permanent!}- 



