ISVAPORATED \1ILK—COOLING 131 
the agitation of the contents and bringing all parts of the milk 
in direct contact with the cooling surface. 
In factories where these large elass-lined tanks are installed, 
each successive batch of evaporated milk is transferred, at the 
conclusion of the process of evaporation and homogenization, to 
this large holding and cooling tank, where all the batches of the 
same day's make are cooled, mixed and held until the last batch 
AAscraeecon 
FLITE BB 
Fig 53. Holding tank for evaporated milk 
Courtesy of The Pfaudler Co. 
is in the tank. The standardization of the evaporated milk may 
be deferred, until all the batches of one and the same day's make 
have reached the holding tank and the entire mixture is then 
standardized to the desired composition by the addition of 
distilled water, skim milk, or cream, according to needs. The 
evaporated milk in this tank is usually cooled to and held at 40 
to 45 degrees F. until next morning, when the filling into tins 
commences. See also “Standardization,” Chapter XXIX. 
