. The National Civic Federation review . on,which has given most satisfactory results. The airis taken from out-doors by large fans, and, in winter,is forced over coils of steam piping. When heated,the air is forced through ducts to the floors windows are dropped at the top, and the badair has a chance to get out, thus making a com-plete system of ventilation. During the summermonths the air is taken from out-doors by the same system, but, of course, it -does not pass over steampipes. The mill thus ventilated in summer is fromthree to four degrees cooler than in our No. 1 mill,where
. The National Civic Federation review . on,which has given most satisfactory results. The airis taken from out-doors by large fans, and, in winter,is forced over coils of steam piping. When heated,the air is forced through ducts to the floors windows are dropped at the top, and the badair has a chance to get out, thus making a com-plete system of ventilation. During the summermonths the air is taken from out-doors by the same system, but, of course, it -does not pass over steampipes. The mill thus ventilated in summer is fromthree to four degrees cooler than in our No. 1 mill,where the system is not. installed. In rooms wheredust or fumes accrue, they are removed by a systemof exhaust fans that helps materially to keep theair clean and pure. John H. Patterson, president of a company whoseplant has light work rooms, says: Attention is given to the hygiene of the windows admit plenty of light and sunshineThe ventilation and heat are properly looked fifteen minutes the air in the factory and. A Grinding Room, showing Exhaust System to Remove DustFrom the Emery Wheels, offices is changed by means cf a fan system. The value of light arid well ventilated shops isemphasized by L. A. Osborne, vice-president of alarge manufacturing company: The floor area of the works used for manufac-turing purposes comprises, approximately, one million eight hundred thousand square feet. Naturalillumination for this area is obtained by means ofskylights and side windows, the total area of theformer being 250,000 square feet and the latter212,000 square feet. Artificial illumination in the works is obtainedthrough the use of the Bremer arc, incandescent and
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectlaborandlaboringclas
