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Scientific American, Vol. 41, No. 3 (1879) (1879)

leaf 8

An illustration from Scientific American, Vol. 41, No. 3 (1879), 1879, leaf 8
t page.} nearest available tubes are selected. The drilling engines and the blast is fired. The visible effect of the blast is the are then placed, the drill rods are inserted, and the work is and steadying the drills while at work had proved inadequate. elevation of the water over the reef like a… … that the colliding vessels were reef. At first, the object being SCOW AND DOME IN POSITION. sure to get the worst of the en- to remove with the greatest dis- counter, and since then the pilots patch the more prominent points have given the scow as widea berth as possible. Still strictly set going.…

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