2 5 6 



POULTRY CULTURE 



some moisture under ordinary conditions may hatch better with 

 no moisture if operated in a damp place, and may require much 



FIG. 284. Cheap incubator cellar; a FIG. 285. Small incubator house. (Pho- 

 common type tograph from F. A. P. Coburn) 



more moisture than the manufacturer's instructions call for if 

 operated in a very dry place. This topic will be considered further 

 in a subsequent paragraph. 



Manufacturers' instructions should be supplemented by such 

 further .attention as is necessary to give reasonable assurance that 



FIG. 286. Interior of an incubator cellar equipped with small incubators 



