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Scientific American, Vol. 82, No. 16 (1900) (1900)

leaf 8

An illustration from Scientific American, Vol. 82, No. 16 (1900), 1900, leaf 8
e e e e the forward propeller in each case having a slightly chase the necessary current for working their lines THE DISMAL SWAMP OF VIRGINIA. less pitch than the after propeller. from the corporation, the method of charging being an The Dismal Swamp of Virginia and North Carolina In the… … hour there was an absolute absence of vibration. greater than it is at the presenttime. The pro- This is an important feature, both in respect cesses of artificial drainage, of course, re- of the steady gun-platform which is thus pro- sulted in the reclamation of alargearea, and vided and of the…

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