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Scientific American, Vol. 87, No. 15 (October 1902) (1902)

leaf 6

An illustration from Scientific American, Vol. 87, No. 15 (October 1902), 1902, leaf 6
lace of the cord and plug of a manu- which had been relied upon to yield the largest values, portion of the summer season could be employed in was either inaccessible on account of the extreme al system. Had the second stop been engaged, the actual mining, since much time was necessarily con-… … bringing their contact strips into engagement with the ago. The amazing success, not merely mechanically PLAN SHOWING TUNNEL AND BIG BEND OP NORTH set of brushes shown in the view at the left-hand end but commercially as well, of the Standard Electric FORK OF FEATHER RIVER. of the machine. The…

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