Running the Incubator 



197 



on the treatment it receives from the operator 

 or attendant. Whoever has charge of an incuba- 

 tor should plan to give it a careful inspection at 

 regular intervals. It should not be necessary, 

 however, to visit an incubator oftener than twice 

 a day. It is always well for the beginner to run 

 tho incubator for a few days before filling it with 



Fig. 62. An incubator building with poultry house attached- 

 Cornell University. 



eggs, in order that it may be properly adjusted, 

 and also to give the operator a little experience 

 before risking loss. 



After the machine is adjusted and the atten- 

 dant has gained some knowledge of operating it, 

 the eggs may be put in, although it is well to 

 place them in a warm room for a few hours 

 previous, to prevent so great a change in the 

 temperature of the incubator as would result from 



