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Scientific American, Vol. 54, No. 12 (1886) (1886)
leaf 8
molten glass. Formerly, the melting and blowing furnaces were The gathering is done with a wrought iron pipe, And even nature, when her interior caldron bubbles over in a voleano, shows that she, too, is a giant glass- maker. But to make good glass, clear, transparent, colorless, to simulate the… … air with seemingly so little effort, is At the McKee works there are three © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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