lectricity it windlass, K, has a horizontal sweep, L, at- Ais the body of the furnace, and B is a has heretofore been found exceedingly difficult arge grooved pulley, arranged on the same tached to it, provided with a stop pawl, M, cylindrical radiator or drum that is placed to render the light… … valuable contribution to applied science, and over the orifices of the flue and passage, keep- will do something more towards rendering that can be thrown up or down alongside the room, and thus time and labor used in trans- ing them free from soot or dirt, the dampers this most brilliant light…
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