EVAPORATED MILK MOJONNIER CONTROLLER 



149 



to the five tin cans in the order above indicated This is done 

 by placing the cans in pairs, under the two-can venthole filler, 

 furnished with the Controller, and the cups with the milk and 

 bicarbonate marked corresponding to the empty cans, are now 

 emptied into *the filler. Care must be taken to keep the cans 

 in the proper order. 



After filling, the cans are tipped, using preferably rosin 

 solder. Should none of this solder be available, then great care 

 must be exercised not to let any of the flux from the zinc chloride 

 solder enter the cans. Zinc chloride flux has a very bad effect 

 upon the milk, and will completely change the results. 



Sterilizing the Five Sample Cans. The five samlple cans, 

 prepared as above directed, are now ready for the sterilizer. 

 Place these in the cage and fasten the lid securely, and also turn 

 down the screws in order to hold all of the cans securely into 

 place. Adjust the cage in the sterilizer by means of the thumb 

 screw on the right hand side, in order to keep them from having 

 end play. Close the sterilizer door securely so that no steam 

 escapes during the sterilizing process. 



Be sure to provide circulation of the steam through the 

 vent on the pipe surrounding the thermometer. This little vent 

 should be kept open during the entire sterilization operation. 

 Fill the small pilot sterilizer with water to a point half way 

 upon the gauge glass. Be sure to turn on the switch to start 

 the motor in operation. Open the "steam start valve" and take 

 five minutes to let the heat reach 190 degrees F. or 3 on the ster- 

 ilizer scale. Then let the heat come up gradually from 190 de- 

 grees to 240 degrees F. or from 3 to 8 on the thermometer, taking 

 one minute for each 5 degrees as indicated in the following table : 



