Popular science monthly . TO all inlcnts and purposes, Pitts-burgh has solved its smoke prob-lem. Although it is having a hardlime living down the time-worn nick-name of the Smoky City, the factremains that as a result of the efforts ofa municipal Bureau of Smoke Regula-tion, the production and emission ofsmoke in Pittsburgh has been abatedfully seventy-five per cent within thepast three years. And that in spite ofthe fact that the business activity andthe coal consumption have greatlyincreased during that time. No other city has been confrontedwith a smoke problem of such magni-tude or has en
Popular science monthly . TO all inlcnts and purposes, Pitts-burgh has solved its smoke prob-lem. Although it is having a hardlime living down the time-worn nick-name of the Smoky City, the factremains that as a result of the efforts ofa municipal Bureau of Smoke Regula-tion, the production and emission ofsmoke in Pittsburgh has been abatedfully seventy-five per cent within thepast three years. And that in spite ofthe fact that the business activity andthe coal consumption have greatlyincreased during that time. No other city has been confrontedwith a smoke problem of such magni-tude or has encountered so i 2many difficulties in solvingit. The three rivers, thedeep valleys, the frequencyof high humidity and lowwind velocity, with resultantfogs, were handicaps to beovercome. The extent of themill district, the great number of stacksin restricted areas, the immense (|uantityof smoke-producing fuels consumed, thecharacteristics of the high volatile coalnatural to the district and the \arictyof boiler and metallur
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
