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Scientific American, Vol. 41, No. 3 (1879) (1879)
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but the fixed platforms supporting the drilling en- cult, complicated, and exacting. submarine part has been vastly the more difficult, and has gines had been knocked into deep water by colliding Our readers are already familiar with that phase of this called for a far greater degree of boldness… … © 1879 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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