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Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. (1899)

Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 374

An illustration from Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .., 1899, leaf 374
ad been battled in their attempts to sink a shallthrough 107 feet of quicksand at the Centrum mine, near Berlin, Germany.Dr. Poetsch sunk sixteen pipes in a circle around the proposed location of theshaft, and in thirty-three days had succeeded in producing a frozen circularwall six feet thick,… … MANCHESTEB the pipes can be thawed loose from the wall of ice by simply circulating a hotliquid instead of a cold one. The pipes can then be redrawn uninjured, andused over again —a consideration of no small advantage. The process is notcheap. It would seldom, if ever, be used where the more common…

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