PORTABLE LAYING HOUSE 



141 



covered with netting, the curtains being so arranged as to swing up 

 to the rafters. The front wall directly below the window and one 

 of the curtains is made to open and admit sunlight directly on the 

 floor near the front wall. The door is hinged at the top and pro- 

 vided with a hook to hold it up, this opening also being covered 

 with poultry netting. The roosts and dropping boards are placed 

 along the back wall about two feet from the floor. The nests are 



Figs. 92o and 926 from Iowa Bulletin No. 132. (Davidson and Lippincott.) 



placed on the continuation of the dropping board, the roosts and 

 nests filling the back portion. 



List of Materials. The following materials (lumber chiefly 

 yellow and white pine) will cost approximately $60.00 : 



Skids 2 ps. 4* x 6* x 14' 



Sills 7 ps. 2" x 4* x 8' 



Studs 9 ps. 2* x 4* x 8' 



2 ps. 2" x 4* x 7' 

 7 or 9 ps. 2" x 4" x 6' 

 Girders and plates 5 ps. 2* x 4" x 12' 



2 ps. 2" x 4" x 8' 



Rafters 7 ps. 2" x 4" x 9' 



Floor 17 ps. 1' x 6* x 12' 



Siding 18 pp. 1" x 6* x 10' 



17 ps. rx6"x!4' 



Sheathing. 21 ps. 1" x 6" x 12' 



Roofing 1% rolls best 3-ply roofing. 



One door 4-panel 2' 8" x 6' 



One window , 12 light 9" x 12' 



