 | 1918 - 386 стор.
...176 and 177 give details of the pipe connections of the outer and inner groups of pipes respectively. Any system of piping which gives free circulation and which is adapted to the local conditions, should give satisfactory results. The radiating surface may be computed from the rules already given.... | |
 | 1919 - 524 стор.
...170 and 177 give details of the pipe connections of the outer and inner groups of pipes respectively. Any system of piping which gives free circulation and which is adapted to the local conditions, should give satisfactory results. The radiating surface may be computed from the rules already given.... | |
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The principal radiating surface is made of parallel lines of i^-inch, or larger, pipe, placed under the benches and supplied by the return current; this has in all cases a pitch toward the heater. An illustration of the method of piping as designed by... 
