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Scientific American, Vol. 60, No. 13 (1889) (1889)

leaf 5

An illustration from Scientific American, Vol. 60, No. 13 (1889), 1889, leaf 5
STRONG’S ENVELOPE CUTTER. the appearance of soundness and the outward evidence by the ancient Romans for wall decorations. It is a The accompanying illustration shows very clearly of strength, usefulness, and sea-going qualities, but magnificent color, as bright to-day as when first ap- when… … and lime, with or without any fluxes. The ancients sim- here with a profusion unknown abroad, and electric ply made it with sand, calcined or roasted copper, and railways are multiplying so rapidly that it is impos- lime, but kept to no regular proportions. He worked chine. With a single stroke the…

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