EQUIPMENT OE AN EGG-BREAKING PLANT. 



23 



is inexpensive and which may be made by any tinner-, is described 

 in detail by Ayers and Taylor. 1 



Specifications. — Sterilizers usually are made of galvanized iron or 

 steel well braced. They are made approximately 3 feet high, from 

 2 \ to 3 feet deep, and 4 to 5 feet wide. The doors should have self- 

 tightening locks, and be fitted with rubber gasket or cork. The 

 steam is distributed through the sterilizer by means of a perforated 



Fig. 24. — Steam sterilizer. 



pipe placed near the bottom. The floor of the sterilizers should be 

 pitched toward the center, and should be connected to a drain pro- 

 tected by a steam trap, and, when practicable, there should be a 

 flue provided with a valve or damper. Each sterilizer should be 

 equipped with a thermometer and have removable shelves. The 

 sterilizers should rest on bases. about 2 feet high, made of pipe or 



1 U. S. Dept. Agr., Farmers' Bui. 74S, "A Simple Steam Sterilizer for Farm Dairy Utensils." 



