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Show Work in Intense Heat. "Persons who complain of the heat trhen the thermometer reaches tji5 nineties," said a steamship engineer, "seldom think of the discomforts of men employed in gas works, in blast furnaces and in steamships, where tho firemen have to endure an atmosphere ranging from 118 to 140 degrees. In all these and many other places where big boilers are located the men wear very little clothing, and while they undoubtedly un-doubtedly suffer from the exposure, they do not feel the heat as much as might be supposed. Tho explanation of this fact is that these men are not reached by the humidity. They aro working In places where the artificial heat is so intense as to drive out the humidity, and 118 or more degrees of heat in a pure, dry air is not felt as much as a mixture of 90 degrees of heat and 80 per cent of humidity, that tells on people and sorely trlea their vitality." |