BUILDINGS 



289 



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 



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Fia. 69. Front view of farrowing pen. 



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 

 be provided when it is necessary to move the pen. In very 

 cold weather, a lighted lantern hung in the pen will make it 

 19 



