. Transactions. 1«t^. less than 3 min., with an iron-notch gun and a steam-cylinderattachment on the gun-bar. The iron pipe should be turned inthe iron-notch so as to loosen the clay; this can be done by in-serting a bar or hook in one of the four holes near the outer VOL. XLIV.—7 108 BLOWING-IN A BLAST-FURNACE. 1 end of the pipe. A quick jerk ou the hook will pull the pipeclear of the iron-notch, and then the gun is swung aroundquickly and forced into place with the steam-cylinder. Filling the ^Vood. The placing of the kindling-wood in the hearth and bosh issuch an important part of blowing-i
. Transactions. 1«t^. less than 3 min., with an iron-notch gun and a steam-cylinderattachment on the gun-bar. The iron pipe should be turned inthe iron-notch so as to loosen the clay; this can be done by in-serting a bar or hook in one of the four holes near the outer VOL. XLIV.—7 108 BLOWING-IN A BLAST-FURNACE. 1 end of the pipe. A quick jerk ou the hook will pull the pipeclear of the iron-notch, and then the gun is swung aroundquickly and forced into place with the steam-cylinder. Filling the ^Vood. The placing of the kindling-wood in the hearth and bosh issuch an important part of blowing-in a blast-furnace, that thesuperintendent or his assistant usually gives personal attentionto each detail, staying inside the furnace to see that every stickof wood is properly placed. The simplest method (as is oftenthe case in furnace-practice) of putting wood in the hearth hasproved to be the best in every way. David Baker taught it tome 20 years ago, and he doubtless learned it from some old fur-nace-man at Stee
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
