Inside Out Library · Explore

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

leaf 6

An illustration from Scientific American, Vol. 87, No. 15 (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-… … ago. The amazing success, not merely mechanically PLAN SHOWING TUNNEL AND BIG BEND OF NORTH set of brushes shown in the view at the left-hand end but commercially as well, of the Standard Electric of the machine. The brushes, @’ and G*, connect the FORK OF FEATHER RIVER. and Bay Counties Power…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 87, No. 15 (1902)

More like this