Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 108
Fig. 53. Anothsr 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, is.shown in Fig. 56, and is known as the School fin radiator. This can … Fig. 54. Exterior View of a Common Type of Radiator for Indirect-Steam Heating. be used for either steam or hot water, as there is a continuous passagedownward from the supply connection at the top to the return at thebottom. These sections or slabs are made up in stacks after the
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