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23rd February 1951, Page 44
23rd February 1951
Page 44
Page 44, 23rd February 1951
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• Lines Of Approach Heating Ad Ventilatic

By S. H. EDGE, M.i.Mech.E., M.I.M.i., 11 EATING and ventilation are two distinct matters Ventilation will not produce heating, but heating will produce ventilation. For......