PROGRESSIVE POULTRY CULTURE 193 



closed air space and effects a corresponding saving in 

 the amount of heat required to maintain a given tem- 

 perature. 



The lamps of the several brooders are easily at- 

 tended to from the alley-floor without continual stoop- 

 ing. 





utA Elevation.. 

 STO^EBURN BROODEE HOUSE. 



In the south side of the building are six windows, 

 one for each pen, each a single sash with six panes of 

 ten by twelve-inch glass. These windows are hinged at 



