several replications one above another, and forming what are called " retum- though by this arrangement the heat bend coils ; '' and when several of these would apparently be expended in the top sections are connected by branch tees of the room, yet very satisfactory results into a compact mass of… … Return-Bend on Box- Coil. In rooms warmed by direct radiation, the radiator cannot be satisfactorily con- trolled by throttling the steam supply, it the attempt has repeatedly been made to is usual to divide all radiators into sec- effect the ventilation by admitting air tions, each of which can be…
Engineering
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