128 The Hen at Work 



Then if it draws up, or is not adjusted properly, 



the trouble can be remedied. At night no one 



will be about to observe such defects. 



Keep a clear, bright flame. The saving of oil 



from a low flame will be so small that the total 



value will not equal that of a chick. When the 



flame is kept high and clear the thermostat wiU 



ft 

 take care of the surplus heat, but if the flame is 



low and the temperature in the egg chamber falls, 



the thermostat can do nothing to help matters. 



Toward the end of the hatch, as the body heat 

 of the chicks increases, if the temperature stays 

 at a high point, the flame may be reduced a little, 

 but it should never be lowered so as to give the 

 slightest odor, and should give constantly a bright, 

 clear flame. Needless to say that only the very 

 best oil should be used, and the wick and burner 

 must be kept in perfect condition. 



After the location is secured, the machine set 

 up, and all made ready, the lamp should be lighted 

 and a careful test made for at least three days, 

 making any necessary adjustments and getting 

 command of a steady flow of heat before starting 

 the eggs. 



In hatching with incubators the eggs to be 



