BUILDINGS 315 
of 2” by 4” scantling. The dotted lines in the drawings show 
the position of the scantlings comprising the frame. 
An opening should be made in the gable at the end farthest 
from the ventilator. Then, if a few strips are laid across the 
plates, straw can be shoved in through the opening, filling in 
the peak of the roof, and making the building warmer. As 
shown by the dotted lines, the ventilator shaft is run down to 
near the floor to draw out the foul air and moisture. 
Fic. 83.—Attachment for BORA OO Poe to give outdoor shade. (Wisconsin 
The roof may be shingled, or made of boards with battens 
over the cracks. The battens are not shown in the drawings, 
except in the end view of the roof. . 
Outside, the pen is single boarded with battens over the 
cracks. Inside, tarred paper may be put on the studding and 
then tightly boarded, but a better job will be made by first 
covering the studding with rough lumber, covering this with 
tarred paper, and then tightly boarding on the inside, 
The window comprises three 12” by 14” panes set in a 
sash, which should be hinged at the top so that it will swing 
inwards. In hot weather it can be swung up to the ceiling and 
fastened there, allowing a good circulation of air. 
The pen may be built on runners, or temporary skids may 
