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Scientific American, Vol. 56, No. 9 (1887) (1887)

leaf 10

An illustration from Scientific American, Vol. 56, No. 9 (1887), 1887, leaf 10
sunk in most favorable circumstances, and in a seaway not the ground. ‘ The outermost columns for the first. and a certain ratio to the area of the cover. _more than 100 or 200 yards. The exploding charge is last spans are provided with struts, also formed out of should not exceed one-tenth this… … ingly, I attached to its shell four reels of the ridge of the roof is carried parallel to cotton, fastening one after the other until the ground, and will therefore also show I ascertained that a greater load would a fall of 2 feet on each side of the middle. exceed the limit of its strength. I…

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