THE BUILDINGS 165 



The interior arrangement of a four foot alley-way, 

 the entire length of the building, along the north wall, 

 greatly facilitates the feeding, watering, and general 

 care of the chicks, without disturbing them by passing 

 through the pens. 



The raised hover floor starts at the south side of 

 this alley-way, and is raised about a foot so as to 

 allow the passing underneath of the hot water trunk 

 line, with its perfect insulation. Attached to this 

 hover floor, by hinges, is an inclined runway, which 

 is raised or lowered by a cord running through pul- 

 ley wheels and fastened by cleats to the north wall. 



The division wires between the pens are of inch 

 mesh, four feet high, brought down to a ten inch board 

 which is securely fastened to the floor. 



The ventilation is acquired by the use of V-shaped 

 window drops, placed just under the plate, full de- 

 tailed drawing of which is given in the back of this 

 Book. The bottom of the windows, on the south front 

 of the building, are three feet above the floors, and 

 these windows are forty-four inches in length and 

 thirty-six inches in width. They are hung at the top, 

 and are opened and closed by the same sort of de- 

 vice used in churches for the " Cathedral " window. 

 The holes in the fastening irons are about two inches 

 apart, allowing the window to be firmly held open to 

 any degree desired. 



There is a slide board at the back of the hover, 

 which is easily raised, materially assisting in the quick 



