absolutely under control. The ventilation Is from 

 the bottom, fresh air being diffused and escaping 

 automatically through a minute tube in the top, 

 without perceptible draught, and unaltered by the 

 action of the regulator. Moisture is also supplied 

 from below, at the time and in quantity suitable to 

 the location. 



Fig. i. The general exterior of hatcher, showing 



FIG. i. 



IMPROVED SIMPLICITY HATCHER. 



the position of lamps, the glass door and the 

 double packed outside door. The rod on the right 

 shows the thermometer drawn out to observe the 

 temperature ; when replaced, the bulb is in the 

 centre of the egg chamber and level with the eggs. 

 Fig. 2. Is a view in perspective, showing the 

 body with top and outer walls removed. 

 86 



