POULTRY FOR PROFIT 23 
artificial incubation, if we would be success¬ 
ful. Now that we have seen th'e process of the 
natural method of incubation, let us see how 
the ingenuity of man has successfully imi¬ 
tated the mother hen, and made possible the 
hatching of a far greater number of chicks than 
the hen can naturally hatch. 
In the first place, there are a great many 
incubators on the market, some being made to 
sell, and others being made to use. How shall 
we determine the make to buy? That is not 
the easiest question in the world, if one has 
had no previous experience with incubators. 
Do not necessarily buy the incubator that is 
advertised the most. Sometimes incubator 
companies have to advertise extensively to do 
a sufficient volume of business. The safest 
way to choose an incubator, if you really in¬ 
tend to purchase one, is to get the advice of 
some one who is using one, and has had success 
with the machine that he has used. Some of 
the cheaper makes have the trouble of too vary¬ 
ing a temperature, especially during the night. 
If one has-to arise five or six times a night 
for three weeks to regulate the lamp to main¬ 
tain a constant temperature, then the incubator 
