356 



Rural Architecture. 



need two flues 2x2 feet inside measure; 60 cows three; 

 80 cows four and 100 cows five. 



FIG. 151. Modification of Fig. 150 where on the right a notch is left in 

 tne wall when building, so that the flue rises flush with tke inside 

 of the wall. While on the left side the flue is shown built in the wall. 

 This may be done by building around 5-inch drain tile or around a 

 box made of fencing. 



442. Cubic Feet of Space in Stable per Animal, It has 



been customary with sanitary engineers in planning hospi- 

 tals, prisons, school rooms, etc., to allow so many cubic 

 feet of space per occupant, but the number chosen has not 



FIG. 152. Method of taking air into a bank barn on the up-hill or bank 

 sfcle. The air flue is made in the same way as described in Figs. 150 

 and 151. but on the outside has its end covered as represented at A 

 on the right with a length of 6 or 8 inch sewer tile with its top cov- 

 ered with a cap of coarse wire screen. Drain tile would not answer 

 for the outside exposure at the surface of the ground as frost would 

 cause it to crumble. Wood could be used and replaced after rotting 

 has occurred. 



been to supply the proper amount of air but rather to avoid 

 drafts too strong for health and comfort. 



It should be distinctly stated that in matters of ventila- 



