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May 29, 1909


JAMA. 1909;LII(22):1765. doi:10.1001/jama.1909.02540480035011

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The unwholesome effect, psychical and physical, exercised by a sunless smoke-laden atmosphere has long been recognized. The crux of the problem has been to render smokeless combustion not merely experimentally possible, but commercially practicable. Smoke in cities is undoubtedly an immense extravagance for the community, having a deleterious effect on many marketable commodities, as well as on the health and strength of the inhabitants. It is a direct loss to the consumer of coal, too, for smoke means waste fuel. Yet the attempts to make smokeless combustion an actual, as well as a theoretical, economy to the one who pays the coal bills have been only partially successful in the past. It is now asserted that the United States Geological Survey Experiment Station at Pittsburg, Pa., has succeeded in solving the problem and in that smoky city is now operating its plant absolutely without smoke, even though burning a coal

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