88 POULTRY Al'PLIANCES AND HANDICRAFT 



inches wide to admit fresh air ; b is a. strip ten inches 

 long nailed on to conduct tlie fresh air to the zinc. 



Now if this is covered with matclied boards there 

 will be a chamber two inches deep over the zinc and 

 one inch elsewhere. Bore a hole in the center for a 

 pipe three inches long and one and one-eighth inches 

 in diameter. Around this pipe and on this floor the 

 chicks keep warm and sleep under a cover, also made 

 of matched boards, two inches smaller every way than 



^ 



FIG 87 : SECTION VIEW OF BROODER 



the floor. This cover has four round legs which go 

 through holes and raise and lower by means of nails, 

 used as pegs in stay pieces which hold the matched 

 boards together. Around the edge of the cover tack 

 carpet or blanket cut in slits every four inches so that 

 the chicks may run in and out. The blanket should be 

 four inches wide and the cover kept two and one-half 

 inches from the flour when the chicks are first put in 

 the brooder. When the brooder is in operation, warm 



