heat of the ascend- The principle upon which the invention is constructed is which, passing through stuffing boxes in the shell, commu- ing products of combustion. The imperfect utilization of nicate with the water in the boiler, so that the dampers, in practically applicable to ordinary heating… … any device} which may advance novel and useful ideas for space, Their location and arrangement, clearly indicated in fuel. The heat, it is asserted, absorbed and radiated by the Fig. 3, show that, when they arefully open, the escaping hot preventing such lossmay be considered as of important eco-…
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