PORTABLE LAYING HOUSE 139 
left. entirely open two feet above the ground. The opening is 
covered with small-mesh poultry netting, no curtains being pro- 
vided for it. The nests and perches are in the back part of the 
main house, and are protected and separated from the open front 
by a solid board partition extending from the lower part of the 
windows to within two feet of the floor. The windows in the peak 
are equipped with transom sash, so that they may be opened, 
being hinged at the top and opening outward. 
List of Materials —The following is a list of material required 
for the half-monitor house complete, 20 x 40 feet: 
Foundation, concrete wall as deep as necessary and 8 inches wide—2Z2 bags 
cement, 2 cubic yards gravel, 4 cubic yards cinders. 
POTN 5-2 Sac <b eben and ve ee oO Rae een 12 ps. 2” x 6” x 20’ 
4 ps. 2” x 6” x 12’ 
4 ps. 2”x6”x 8’ 
Corner and division posts (doubled).................... 16 ps. 2”x 4" x 5’ 
8 ps. 2”x4"x 9’ 
End wall and division studs...................0.0.0005 6 ps. 2”x 4" x6’ 
12 ps. 2” x 4” x 8’ 
Side wall studs and long partition...................... 28 ps. 2” x 4” x 5’ 
9 ps. 2”x 4"x9’ 
PLACES) ces 0 honda staked ask nara dase a bial wale aad Atal 8 ps. 2” x 4” x 20’ 
Girder, sill under windows. .............0....0...0000. 2 ps. 2” x 4” x 20’ 
TRALEGIS po Pe eats ae asta tera ace oe atiiesins Sn baakata sda Aouce aeepeeay 21 ps. 2”x 4" x14’ 
21 ps. 2”x 4” x 10’ 
Extra pieces for window work, dropping boards, ete...... 10 ps. 2” x 4” x 12’ 
Supports for dropping IbOardss 4.x sncs.eidecautente cae 12 ps. 2”x 4" x 10’ 
POrehesi: vides bes Ouse eee ed ERs SR eo oe 16 ps. 2” x 2” x 10’ 
Partitions, nests, and dropping boards................ 720 sq. ft. ship-lap. 
TROOP ed bec slauice Aad Gieeanbaee ance MN Deed Oana ues boils 1,000 sq. ft. ship-lap. 
Roofing paper. <sas4 <0 Shes 4 ee ees Re aR aes 1,000 sq. ft. 
SSIs aciyaveeaverdy ie a aercaee do nee GR de Saee ae tation ae aati gehems ein oeensintan os 12, 34” x 34” 
Trimmings...... dressed white pine..................... 50 linear ft. 1” x 2” 
150 linear ft. 1” x 3” 
80 linear ft. 1” x 4 
120 linear ft. 1” x 6” 
This material will cost approximately $219.50. The house of 
forty linear feet will cost $5.48 per running foot; or $0.27 per sq. ft. 
for the total area of 800 sq. ft. The cost per bird, allowing 4 sq. ft. 
each, is $1.08, not including labor. 
Portable Laying House.*—This house has two curtain openings 
and one large window in front (Figs. 92a and 92b). These provide 
ample sunlight and ventilation. The openings for the curtains are 
* After Iowa Bulletin No. 132 by Davidson and Lippincott. 
