FIFTEENTH ANNUAL YEAR BOOK— PART X 



731 



"A" House (Doors Hinged at Top). Front view showing improved 

 ventilator ; closed. Top eye bolts should be nearer ridge. 

 Make the doorway higher for mature swine. 



Fig. 23. "A" House (Doors Hinged at Top). All doors open for shade and 

 airing. Adapted to warm, sunny climate. Top eye bolts should be 

 nearer edge. Make doorway higher for mature swine. 



