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Scientific American, Vol. 71, No. 9 (1894) (1894)

leaf 9

An illustration from Scientific American, Vol. 71, No. 9 (1894), 1894, leaf 9
lost in the sectional area of the passage were fired. The first was a 10-inch subcaliber projec- between the piers about 25 per cent in thirteen years, tile charged with two hundred pounds of explosive at hand. owing to the deposition of gravel and sediment, while eomposed of 87 per cent of… … supplying the compress- connected. ed air consumed on the In operating, a canal entire five rounds in ten boat will apply for a minutes. It is not motor. If the boat does claimed by the builders of this gun that it will revolu- the high water level had risen to such an extent as to not own a…

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