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Scientific American, Vol. 25, No. 14 (1871) (1871)

leaf 4

An illustration from Scientific American, Vol. 25, No. 14 (1871), 1871, leaf 4
mooth surface, having no rivet heads, nuts, or other hour, and running with remarkable smoothness. The jour- an gentlemen who were laying out the line of a railroad re- projections which tend to produce clogging. nal quoted furnishes the following interesting particulars: cently found. In the… … On the Michigan Central road, for over sixteen years past, the back side of which projects a bent strap or hook, B, which they claim are so cheap will do well to take lessons not a drop of blood has been drawn from man, woman or from the foregoing. formed by bending double a portion of the metal…

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