326 



MILK 



spite of all possible care sometimes the utensils contribute largely 

 to the germ content. The utensils were cleaned with hot water 



I -J/ 



Fig. 157. Davis' automatic power high-pressure washer. 



and i 

 box. 



Fig. 158. Davis' combined rinser and sterilizer, 

 soda and then treated for ten to fifteen minutes in a steam 



