ible on all sides; and following up this idea he built upa blast furnace 50 feet high and 17 feet in diam- cation is very simple indeed, and free from the objectiona- ble features of other known methods, since the work of the eter at the boshes. In 1867 'a model of the above named Explosions from… … without any difficulty what- that, there is this further ‘ever while the work is go- facility, namely, that no- ing on, so that there is no thing hinders one from tap- the in-wall is not destroyed. The hearth and boshes can be We are indebted to the Engineer for this illustration and the inner…
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