Cyclopedia of heating, plumbing and sanitation; a complete reference work . Fig. 52. One Form of Indirect Steam or Hot-Water Heater. it must be especially designed to produce a continuous flow of waterthrough it from top to bottom. Figs. 54 and 55 show the outsideand the interior construction of a common pattern of indirect radiator 82 HEATING AND VENTILATION 73 designed especially for steam. The arrows in Fig. 55 indicate thepath of the steam through the radiator, which is supplied at the right,while the return connection is at the left. The air-valve in this caseshould be connected in the en
Cyclopedia of heating, plumbing and sanitation; a complete reference work . Fig. 52. One Form of Indirect Steam or Hot-Water Heater. it must be especially designed to produce a continuous flow of waterthrough it from top to bottom. Figs. 54 and 55 show the outsideand the interior construction of a common pattern of indirect radiator 82 HEATING AND VENTILATION 73 designed especially for steam. The arrows in Fig. 55 indicate thepath of the steam through the radiator, which is supplied at the right,while the return connection is at the left. The air-valve in this caseshould be connected in the end of the last section near the Fig. 53. Another Form of Indirect Steam or Hot-Water Heater. A very efficient form of radiator, and one that is especially adaptedto the warming of large volumes of air, as in schoolhouse work, isshown in Fig. 56, and is known as the School pin radiator. This can
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