210 Milk and Its Products. 
shade from groves or the channels of natural air 
drainage. On the other hand, it is not well to lo- 
cate the building on a too bleak or exposed site, and 
yet the great majority of creameries are either ex- 
posed to the 
= a full rays of 
q 
the August 
H | A | | sun or to the 
bleak winds of 
B winter. 
Arrange- 
EVer ment of build- 
0 ing.—Two 
: ) general princi- 
al l {\ ples govern 
Fig. 29. Diagram of creamery arranged upon the the arrange- 
“pravity’’ plan. 
ment of cream- 
ery buildings. In the one, the milk is taken in at such 
an elevation that it may flow by gravity from the 
weighing can to the receiving vat, thence to the tem- 
pering vat, thence to the separator, and finally to the 
skimmed milk and cream vats. In the other, the milk 
is taken in on a level with the work-room floor, and 
is elevated by pumps. Both plans have their advan- 
tages and disadvantages. The main advantage of 
what may be ealled the “ gravity” system is, that 
the milk flows by its own weight during the whole 
course of manufacture, and no pumps, troublesome 
to keep clean, are necessary. As an offset to this 
advantage, it entails a considerable amount of ex- 
tra labor in ascending and descending the neces- 
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