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each of the other two cones, as soon as the gases pent up beneath their mighty masses have acquired the necessary power. We now approached Limbi, a high...

by the late Mr. Boulton) is produced by beating together steel and iron wire whilst in a state of half fusion, and eating them with acids, by which the...

and by these means it becomes flat wire with indented edges. With a pair of nippers they fold down the end of the wire, and thus form a leaf or element...