American Incubators. 



189 



placed below after being set ten days, and then the upper one 

 is filled. It is fair to say that experienced hatchers differ in 

 their opinions as to the merits of this feature, the weight of 

 opinion being against it, except, perhaps, when eggs are very 

 plenty. The clock needs to be wound once in three days, but 

 daily winding is recommended, and the battery is guaranteed 

 to work a year without removal or interference. This ma- 

 chine also receives high commendation from those who use it, 

 and is certainly successful and satisfactory in its results. 



THE THERMOSTATIC INCUBATOR.* 



In this incubator we have several novel features. There is 

 no water tank, and no water is used except to supply moisture, 



* Made by E. S. Renwick, 19 Park Place, New York. 



