CREAMERY BUTTER MAKING 



131 



the beam rod of the scales, while upon the other rests the 

 handle which opens and closes the skim-milk valve. When 

 the beam rises the connection is broken and the weight 

 of the handle closes the valve. This makes it an auto- 

 matic valve. Without this device the closing of the valve 

 at the right time requires a good deal of watching which 

 consumes too much time. 



A skim-milk table like that shown below should be 

 posted in a conspicuous place so that no time needs to be 

 wasted in calculating each patron's skim-milk. 



SKIM-MILK TABLE-85 POUNDS PER 100 

 POUNDS MILK. 



