. The Iron and steel magazine. ous, as I believed, to prevent any-thing but a few sparks and heated gases from escaping througha central hole made in the flat top of the vessel for that purpose,as shown in the vertical section at Fig. 39, Plate XIII. Theconverter had six horizontal tU3^eres arranged around the lowerpart of it; these were connected by six adjustable branch pipes,deriving their supply of air from an annular rectangular chamber,extending around the converter, as shown. All being thus arranged, and a blast of 10 or 15 pounds pres-sure turned on, about 7 cwt. of molten pig iron was
. The Iron and steel magazine. ous, as I believed, to prevent any-thing but a few sparks and heated gases from escaping througha central hole made in the flat top of the vessel for that purpose,as shown in the vertical section at Fig. 39, Plate XIII. Theconverter had six horizontal tU3^eres arranged around the lowerpart of it; these were connected by six adjustable branch pipes,deriving their supply of air from an annular rectangular chamber,extending around the converter, as shown. All being thus arranged, and a blast of 10 or 15 pounds pres-sure turned on, about 7 cwt. of molten pig iron was run into thehopper provided on one side of the converter for that went on quietly for about ten minutes; sparks such as are com-monly seen when tapping a cupola, accompanied by hot gases,ascended through the opening on the top of the converter, justas I supposed would be the case. But soon after a rapid changetook place; in fact, the silicon had been quietly consumed, and 488 PLATE XIII The Iron and Steel Magazine. ji^;???? ^, ?**iSf»S SkciIix i t i;r( :Willi IliK
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectiron, bookyear1898
