The Americana; a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc., of the world . ods and plates. In an open hearthfnrnace for the production of acid steel, theoo . irearUi sidesand end walls -^ const^^^^^^^^^^^^^of silica bricks. The regeneration c ?^^^^^^^[^ Hned with fire bricks. The t° ^f » f,^.fj * ..an k lined with silica sand over tlie siiicab ids ai d dfshed or so formed that the metalwTen leaving the furnace through the tapping the roof walls, sides and end ^va»\^f oye thedac Hne are formed ot silica bricks but
The Americana; a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc., of the world . ods and plates. In an open hearthfnrnace for the production of acid steel, theoo . irearUi sidesand end walls -^ const^^^^^^^^^^^^^of silica bricks. The regeneration c ?^^^^^^^[^ Hned with fire bricks. The t° ^f » f,^.fj * ..an k lined with silica sand over tlie siiicab ids ai d dfshed or so formed that the metalwTen leaving the furnace through the tapping the roof walls, sides and end ^va»\^f oye thedac Hne are formed ot silica bricks but tachearth is hned in the pan with first quality fire-brick followed bv bricks composed of mag-nesUe and at the junction of the silica bricksand die rna-nesite a neutral parting of chromeore is placed to prevent fusion of the two kindso bHck at furnace-workmg temperatures. The E6rilb;^^thr:ir^.;in^ particukrs of brick work the construction .s thesame in both classes o furnace ^.^-^-T^Sbut the area of both closely follows certain val-.
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidamericanaunivers14newy
