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Scientific American, Vol. 1, No. 6 (October 2, 1845) (1845)

leaf 1

An illustration from Scientific American, Vol. 1, No. 6 (October 2, 1845), 1845, leaf 1
stance, rn. 0 a SI rr road from Salem, Mass., to Andover, to intersect with quantity of air must be displaced during an equal First Principles of Mechanics. here noticed. The best black is composed of lamp- as above stated, ten horse-powers are required to give the Boston and Maine railroad, and… … from Marietta, Ohio, ‘‘seventeen hundred miles from gle or inclination on which it presses, being as about N. H., is to be 200 feet long, 70 wide, and six double the speed of the boat, will require 16 times one to fifteen, the actual resistance is reduced to salt-water,” as the Englishmen reported.…

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