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Scientific American, Vol. 13, No. 1 (September 12, 1857) (1857)

leaf 5

An illustration from Scientific American, Vol. 13, No. 1 (September 12, 1857), 1857, leaf 5
next the ball. This bar E on the side, instead of the top, of C, and ‘tationed at the arsenal at Washington in the two of which promise to be very interesting. + gun did good firing. It was subjected to a to disconnect from the radius bar G, and make years 1854~’55, say that, on an average, there… … 19th. The place chosen for the firing is the engine with the plows complete, is esti- across a bend or inlet in the Hudson river. A The labor required in felling trees by the Ludwig, of Boston, a gentleman of considerable mated to be about the same as eighteen horses, platform is erected and…

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