. The street railway review . f several American and European makes of this auxil-iary apparatus. One of the types of .American-built superheater,which is being used quite extensively in many of the more recentlydesigned power plants, is a product of the Power Specialty Co., iiiBroadway, New York City, and is known as the Foster design of the tubes or elements which comprise the super-heater is illustrated, as are also shown line drawings illustrating two methods of arrangement of the clonionls with respect to theseveral passes of the flue gases. The superheater tubes or elemen
. The street railway review . f several American and European makes of this auxil-iary apparatus. One of the types of .American-built superheater,which is being used quite extensively in many of the more recentlydesigned power plants, is a product of the Power Specialty Co., iiiBroadway, New York City, and is known as the Foster design of the tubes or elements which comprise the super-heater is illustrated, as are also shown line drawings illustrating two methods of arrangement of the clonionls with respect to theseveral passes of the flue gases. The superheater tubes or elements are composed of seamlessdrawn steel tubing. Outside of the elements are siuigly fitted aseries of annular gill flanges, placed close to each other and form-ing an exterior cover of cast iron. This covering not only protectsthe tubes against the action of the heated gases, but provides a massof metal which acts as a reservoir for the fluctuating heat of theflue gases and tends to convey heat to tlic steam in n steady man- f.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
