Structure of Centrifugal Separator. 107 
cream without stopping the machine, thus making 
the separation continuous. The various parts of 
the machine have been much improved in minor de- 
tails. At the present time the essential parts of 
i 
; 
Fig. 10. Section of separator bowl of plain or ‘‘ Hollow Bowl” type. 
a separator are the bowl, with or without internal 
devices or arrangements to assist in the separation 
of the cream from the milk, an outlet for the 
skimmed milk, an outlet for the cream, an inflow for 
the whole milk, and the proper mechanical means 
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