Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 95
pipes or running one pipe to supply tworegisters, is productive of continual annoyance, as it is almost certainthat one register will get the greater part of the heat at the expense ofthe other. The registers should always be set in borders of slate orsoapstone, or in the iron rims which are… … Fig. 58. Two-Pipe Sy.steni. radiators or coils placed directly in the rooms and halls to be heated.This may be done under high or low pressure, but the low pressuregravity return system is generally used for house heating, a pressureof from two to ten pounds being rated as low pressure. Piping.…
Architecture · Building
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