A SUCCESSFUL BROODER HOUSE. Oar 
The interior is lathed and plastered with fire-proof asbestic 
plaster. By carrying the plaster across on the collar beams an 
attic is formed which is of great value in controlling the tem- 
perature, preventing direct radiation through the roof. A large 
sliding ventilator opens into this attic through the ceiling above | 
each pair of chick pens, and in each gable doors are.placed, 
opening into the attic from outside. These are regulated ac- 
cording to the weather. ‘This forms a decidedly effective ven- 
tilating system which is entirely under control. 

Fig. 26. West elevation. 













Fig. 27. South elevation. 
In the south side of the building are six windows, one for 
each pen, each a single sash with six panes of 10x 12-inch 
glass. ‘hese windows are hinged at the bottom, and swing 
inward, being controlled from the alley by cords. At the west 
end of the alley another window of the same size is placed. 
This lights the alley thoroughly, which is very desirable, par- 
ticularly on dark, winter days. Chick doors are Ox lnchesrs 
in size, and are also operated by cords. The construction of 
