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Scientific American, Vol. 54, No. 18 (1886) (1886)

leaf 7

An illustration from Scientific American, Vol. 54, No. 18 (1886), 1886, leaf 7
eam, and together with the load and bal- lowish leather, often underlaid with paper; the seam last, which are fed in by the dredger buckets, is passed connecting the top with the vamp soon gives way, to the revolving cylinders, where the whole becomes and im wet weather the “ count- intimately… … alse supplying the French mar- accumulate and set upon them. IMPROVED CONCRETE MAKING MACHINE. kets with felt slippers to a con- The cylinder is horizontal, but siderable extent, the sole either of asthe blades are of a curved or felt or leather, asthe case may be. England is export- screw-like…

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