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Scientific American, Vol. 85, No. 13 (1901) (1901)

leaf 4

An illustration from Scientific American, Vol. 85, No. 13 (1901), 1901, leaf 4
given away to those who supposed that an exceptionally heavy mining blast cared to carry them away. They are, however, now had been set off. The body of the engineer was béing put to a new use. The wood blocks are in re- found between 500 and 600 feet distant from the track ality only surface… … throw it around at right facturers are in a _posi- angles to the track, as tion to undersell consider-

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