174 



I'AKAl SKPARATOKS 



and the express charges will be heavier than if the thicker cream 

 were skimmed. Rich cream does not sour so rapidly as does thin 

 cream. 



The richness of cream can be readily ascertained by the use of 

 a Babcock test, which every farmer should have in his possession. 

 A whole outfit for testing fat in cream or milk can be had for 

 about $10.00 from any creamery supply-house. By the use of 

 such a test, the farmer can test his cream and skim-milk. He 

 can also test the milk of each individual cow in the herd, thereby 

 ascertaining which ones are profitable. By the use of such a test 

 on the farm, the farmer can test his cream daily, and compare 



Fig. 57- — TR'ad-pnwcr attached to United States hand separator. 



results with those from the creamery, therein}- enabling him to 

 detect any mistake which may happen at the creamery. 



Power for Farm Separators. — Hand-power is often men- 

 tic)ned as an objection to farm separators. When a considerable 

 quantity of milk is to be skimmed, it is certainly hard work to 

 skim with hand-jiower. Windmills could not well be used as 

 they do not give uniform speed. Tread-power is often used to 

 run farm separtitors and is very well adapted to this jnirpose, as it 

 is steady and uniform, and docs not cost an\'thing after the 

 apparatus has once been purchased. The power can be supplied 

 by using dilTerent kinds of animals. Sheep, goats, dogs, and 



