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Scientific American, Vol. 40, No. 21 (May 1879) (1879)

leaf 10

An illustration from Scientific American, Vol. 40, No. 21 (May 1879), 1879, leaf 10
wn; The Electric Light In Cleveland. Large Powder Blasts. sides marbled, or "salt and pepper "marked; beneath, dull The regular lighting of Monumental Park, Cleveland, O Some time since a blast of 12,000 lb. of powder was ex- yellowish white, dotted with pale brown dots. Length of ploded in the… … than this is exploded by the of the Siberian railroad, is larger hydraulic mining com- described as the largest in THE BROWN DESMOGNATH. panies, who find it economi- Europe. It will be com- cal to employ such heavy pleted next year. At that charges, as doing more proportionate execution than small…

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