Artificial Mothers' Milk. 



1 1?, 



bottles. E is a metal arm or bracket to carry the 

 bottle, into which the thermometer clips to register 

 the temperature of 

 the milk in the bot- 

 tles during steriliza- 

 tion. A second ther- 

 mometer, F, is ne- 

 cessary to show the 

 gradual heating of 

 apparatus. This is 

 a most necessaiy pre- 

 caution, w i t h o u t 

 which, considerable 

 breakage of bottles 

 is unavoidable. The 

 steam enters at S, 

 ascending b y the 

 central tube D, and 

 passes out on to the 

 shelves by numerous 

 holes. Through T 

 cold air can be forced 

 into the apparatus, 

 this tube connecting 

 with the ice house. 

 G is an exhaust pipe 

 for carrying off the 

 air at the beginning 

 of the operation, and is used again later when the 

 required heat and pressure have been attained, so that 



Fig. 18— BLACK FOREST STERILIZER. 



