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CHAPTER II. 



Ventilation. — Cavalry stables. — Argument in proof of the 

 necessity for proper ventilation. — Anecdotes — Autumn 

 manoeuvres of 1875. 



If it is necessary to lay stress on the subject of 

 drainage, it is scarcely less so regarding that of 

 ventilation. If drainage should be perfect, ventila- 

 tion should be equally so. 



Now, perfect ventilation means perfect freedom 

 from draught, contradictory as the assertion may 

 at first sight appear to be. In other words, there 

 should be in a stable every facility for the ingress 

 of fresh air and the egress of foul — and yet this 

 should be arranged so as to secure to the inmates of 

 that stable complete immunity from what is com- 

 monly called draught. The incoming of the fresh, 

 and exit of the foul air, should be insensibly and 

 rapidly effected. 



To ensure this is a simple matter enough, pro- 

 vided it is done in the right way. There should 



