LONG LAYING HOUSE OF SMALL UNITS 133 



It will be noticed that a door is in the front of each pen (Figs. 

 86 and 87) ; this is necessary in a house to be used for educational 

 and experimental work, but is not desirable in a farm poultry 

 house where one attendant will care for the entire flock. The 

 muslin curtain should then be extended to cover this space. 



Attention is called to the presence of an elevated walk hi front 

 of the house, to allow easy access to each pen and yet allow the 

 birds to enter the yards which extend to the south or front side. 



figure 86. The small units are ritrfil* for 



Note the hinged clapboard on the outside of the back wall, 

 which can be opened and thus allow air to circulate around the 

 perches on hot summer nights (Pigs. 67 and 86;.* 



Materials. The following list of material is required to build 

 three sections of this type, making 16 x 48 feet: 



Foundation, 2 feet deep and 8 inches wide 20 bags cement, 2 cubic yards 



gravel, 6 cubic yards cinders. 

 AH framms material hemlock or yeDow pin* 



Sffls ........................................... 8ps.2' r x6*x20' 



8ps.2*x6 r xl6' 

 3ps.2*x4''xl6' 

 End and division studs. ......................... 10 pa. 2* x 4* x 8* 



15ps.2*x4*x7' 

 10ps.2 r x4'x6' 

 Sdewallstacfe .................................. 36 ps. 2T x 4* x W 



23ps.2*x4*x5|? 

 Extras for abort pieces ........................... 3 ps. 2* x 4* 



tamer and divknan posts (doubled) ............... 18 ps, V x 4* x 



Rafters ........................................ 25 ps. 2* x 4* x 18' 



Girder (doubled) ............................... 4 ps. 2* x 4' x 2ff 



2ps.2*x4'x8' 

 Plates ......................................... 8ps.2*x4*x20 r 



* This method of summer ventflation was n^st developed by Fbohry De- 

 partment of Cornell University. It is now in quite general use. 



