18 



DAIRYING 



rising is an improvement on the shallow setting. In former years 

 the "Cooley" process was used a great deal and developed to. a 

 high degree of efficiency. At 165 farms in Maine where this pro- 

 cess was used and the cans of milk set in water tanks in which 

 ice was continually kept, the per cent, of fat in the milk did not 

 exceed 0.2%, the average being 0.15%. 



246. (2) The "Shotgun" can is similar to the Cooley can in 

 shape and dimensions, but the cream is dipped off from the top 

 by using a conical dipper which should be dipped in water to wet 

 it before using. Considerable more care is required to skim off 



PLATE 3 Equipment for Cooley "Deep Setting" Process. 



the cream efficiently by this process than by drawing off the skim 

 milk at the bottom as in the Cooley process. 



247. The cream from "deep setting," which usually contains 

 about 20% fat, is rather thin for selling direct to the consumer. 

 There may be no objection to churning such cream, but it is 

 hardly thick enough for table use; the best way to thicken this 

 cream is to add that skimmed from several cans into one can and 

 let the cream rise a second time on the mixed cream. More skim 



