Timely Hints for Farmers. 



279 



Sample No. 24 below is an illustration of what may be ex- 

 pected where thin cream is gotten by slow turning. 



The following table will give the reader an idea of the suc- 

 cess with which hand separators are used upon the farms in the 

 Salt River valley. This is not supposed to show what the differ- 

 ent machines are capable of doing under the best conditions, but 

 what they are actually doing at every day work in the hands of 

 farmers. While the skim milk was tested by the writer, in every 

 case the samples were taken by the farmers themselves and each 

 sample tested was composed of skim milk from a number of dif- 

 ferent skimmings : 



The writer was unable to learn that more than one of the 

 owners of separators had taken the trouble to test the skim milk, 

 though some were in the habit of setting it to see if any cream 

 would rise. That this is not a sufficiently accurate method of 

 testing skim milk is shown by the fact that samples contained as 

 high as three-tenths of one per cent of butter fat where the own- 



