 | American School (Chicago, Ill.) - Engineering - 1903 - 380 pages
...better to remove a portion of the oil before the steam enters the pipes and radiators, else a coating will be formed on their inner surfaces which will...regulated independently of the others. The so-called double duct system is sometimes employed. In this case two ducts are carried to each register, one... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 588 pages
...to remove a portion of the oil before the steam enters the pipes and radiators, else a coating wilt be formed on their inner surfaces which will reduce...regulated independently of the others. The so-called double duct system is sometimes employed. In this case two ducts are carried to each register, one... | |
 | American School of Correspondence, Chicago, Charles Lincoln Hubbard - Heating - 1908 - 252 pages
...independently of the others, and the temperature of the air regulated in this manner. Sometimes a by-pass damper is attached, so that part of the air will pass...regulated independently of the others. The so-called double-duct system is sometimes employed. In this case, two ducts are carried to each register, one... | |
 | Architecture - 1905 - 372 pages
...used for warming a single room, as in the case of a church or hall ; but where several rooms are to be warmed, as in a school-house, it is customary to use...this by placing secondary coils or heaters at the bases of the different flues, or by the use of direct radiation in the rooms. By means of these arrangements... | |
 | 1909 - 444 pages
...independently of the others, and the temperature of the air regulated in this manner. Sometimes a by-pass damper is attached, so that part of the air will pass...regulated independently of the others. The so-called double-duel system is sometimes employed. In this case, two ducts are carried to each register, one... | |
 | Louis Derr - Electric engineering - 1909 - 460 pages
...independently of the others, and the temperature of the air regulated in this manner. Sometimes a by-pass damper is attached, so that part of the air will pass...regulated independently of the others. The so-called double-duct system is sometimes employed. In this case, two ducts are carried to each register, one... | |
 | Architecture - 1909 - 500 pages
...independently of the others, and the temperature of the air regulated in this manner. Sometimes a by-pass damper is attached, so that part of the air will pass...regulated independently of the others. The so-called double-duct system is sometimes employed. In this ease, two ducts are carried to each register, one... | |
 | Charles Lincoln Hubbard - Heating - 1909 - 268 pages
...used for warming a single room, as in the case of a church or hall ; but where several rooms are to be warmed, as in a schoolhouse, it is customary to use...this by placing secondary coils or heaters at the bases of the different flues, or by the use of direct radiation in the rooms. By means of these arrangements... | |
 | Heating - 1918 - 386 pages
...independently of the others, and the temperature of the air regulated in this manner. Sometimes a by-pass damper is attached, so that part of the air will pass...regulated independently of the others. The so-called double-duct system is sometimes employed. In this case, two ducts are carried to each register, one... | |
 | Building - 1919 - 490 pages
...independently of the others, and the temperature of the air regulated in this manner. Sometimes a by-pass damper is attached, so that part of the air will pass...regulated independently of the others. The so-called double-duct system is sometimes employed. In this case, two ducts are carried to each register, one... | |
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Fig. 15. damper is attached, so that part of the air will pass through the heater and part around or over it ; in this way the proportions of cold and heated air may be so adjusted as to give the desired temperature to the air entering the rooms. These... 
