THE TURKISH BATIIL. 267 
it passes along the upper part of the fourth wall, in which also it is built 
in the same manner, and makes its exit over the part where it entered, 
at F. Here the flues are so arranged by dampers, that the current of 
warm air may either be directed along the flue B C D E Ff, or it may be 
turned off into the chimney F, entirely or partially. Ventilators must 
be introduced freely in the walls, so as to give plenty of fresh air 
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when it is required, or to shut it off completely, to raise the temperature 
to the proper degree before the horse is admitted. One or two valves, in 
addition to the door I, all capable of being opened and closed at will, 
must also be fixed in the wall, between the boxes G and H, and by their 
means, added to the heat given off by the flue in it, this preparatory box 
may be heated to 80° or 90° of Fahrenheit, so as to bring on a gentle 
