 | American School (Chicago, Ill.) - 1903 - 380 стор.
...Fig. 3) is made up of wrought iron pipes screwed into a cast iron base. The pipes are either connected in pairs at the top by return bends or each separate tube has a thin metal diaphragm passing up trhe center nearly to the top. It is necessary that a loop be formed else a " dead end " would occur.... | |
 | American School (Chicago, Ill.) - 1906 - 588 стор.
...Fig. 3) is made up of wrought iron pipes screwed into a cast iron base. The pipes are either connected in pairs at the top by return bends or each separate...thus causing portions of the radiator to remain cold. For a given surface the average |>ipe radiator is more efficient than the cast iron sectional radiator.... | |
 | American School (Lansing, Ill.) - 1907 - 424 стор.
...Fig. 3) is made up of wrought iron pipes screwed into a cast iron base. The pipes are either connected in pairs at the top by return bends or each separate...thus causing portions of the radiator to remain cold. For a given surface the average pipe radiator is more efficient than the cast iron sectional radiator.... | |
 | American School of Correspondence at Armour Institute of Technology, Chicago - 1907 - 460 стор.
...Fig. 3) is made up of wrought iron pipes screwed into a cast iron base. The pipes are either connected in pairs at the top by return bends or each separate...steam from entering, thus causing portions of the radiator.to remain cold. For a given surface the average pipe radiator is more efficient than the cast... | |
 | American School of Correspondence, Chicago, Charles Lincoln Hubbard - 1908 - 252 стор.
...type of radiator (see Fig. 19) is made up of wrought-iron pipes screwed into a castiron base. T he pipes are eitherconnected in pairs at the top by return...Circulation Coils. These are usually made up of 1 or IJ-inch wrought-iron pipe, and may be hung on the walls of a room by means of hook plates, or suspended... | |
 | 1909 - 444 стор.
...better appearance. To get the best results from wall radiators, they should be set out at least It inches from the wall to allow a free circulation of...end" would occur. This would become filled with air an d prevent steam from entering, thus causing portions of the radiator to remain cold. Circulation... | |
 | 1909 - 500 стор.
...19) is made up of wrought-iron pipes screwed into a castiron base. The pipes are eithercon, nected in pairs at the top by return bends, or each separate...Circulation Coils. These are usually made up of 1 or 1J-inch wrought-iron pipe, and may be hung on the walls of a room by means of hook plates, or suspended... | |
 | Louis Derr - 1909 - 460 стор.
...castiron base. The pipes are eitherconneeted in pairs at the top by return bends, or each sepjjirate tube has a thin metal diaphragm passing up the center...Circulation Coils. These are usually made up of 1 or 1 J-inch WTOught-iron pipe, and may be hung on the walls of a room by means of hook plates, or suspended... | |
 | Charles Lincoln Hubbard - 1909 - 268 стор.
...connected at the top in pairs, but usually they have no connection, each being closed and provided with a thin metal diaphragm passing up the center nearly to the top. This gives the effect of a loop and insures a positive circulation of steam through it. Fig. II. Wall... | |
 | 1912 - 552 стор.
...Fig. 15. The end sections (at right) have legs. Fig. 18. Cast-Iron Sectional Kadiator of Wall Pattern. The standard height of a radiator is 36 or 38 inches,...Circulation Coils. These are usually made up of 1 or IJ-inch wrought-iron pipe, and may be hung on the walls of a room by means of hook plates, or suspended... | |
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The pipes are eitherconnected in pairs at the top by return bends, or each separate tube has a thin metal diaphragm passing up the center nearly to the top. It is necessary that a loop be formed, else a "dead end 
