d in your issue of January 22 by W. P. Woodward, I with. Others find no difficulty in its solution'in’ the A New Method of Blasting. venture to make a few remarks, which I think, if care- manner stated as follows by one of our correspondents : Dr. Kosman proposes, in blasting in fiery mines, to… … by steam? ANSWER.—Yes, especially after extensive when the zine dust mixes with 'the acid, and a rapid, through room No. 2; now we will go although not instantaneous, evolution of hydrogen repairs on inside of boiler, more or less light sub- stance will be left on the inside of the boiler, which…
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