THE INDUSTRY OF ALL NATIONS.
Among the means and appliances of civilised lifewhich the ingenuity of man has appropriated from na-ture, or has himself invented, there is scarcely one whichholds a more important place than glass. It would be
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beauty which it assumes at the will of the artist andartisan. We have engraved on this page numerousspecimens exhibited by J. Maes, Gallerie de Clichy,
admired ruby glass, colored with suboxyd of copper, orwith gold. Most of the specimens are “ cased,” a termapplied to articles which are made of several successive
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easily than the other, and by dextrous manipulationdistributes it over the whole surface ; or he dips the ballinto a pot of colored glass, and repeats this operation
difficult to find another material that could supply itsplace with advantage iu domestic economy, and the vari-ous ornamental articles of elegant luxury, while in themost important branches of scientific research, it is of in-
dispensable use. It were needless and foreign to ourpresent object, to enlarge upon its perfect applicabilityto the purposes for which it is designed, or attempt todo more than refer to the thousand forms of use and
Paris, which illustrate some of the useful applications ofglass, united with ornament of unexceptionable graceand propriety. They are made of that variety of glass
called Bohemian, a double silicate of potash and limewith a minute quantity of alumina. The Vase andToilet Service at the top of the page, are of the much
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layers of glass, each of a different color. The casingsare united into a homogeneous mass in the followingmanner. The workman collects upon the punty rod a
ball of glass of whatever sort he chooses to form thebody (usually colorless), and while the ball is still redhot, he applies a cake of colored glass which melts more
until all the casings of different colors have been ap-plied. The mass is then blown and manipulated in theusual mauner, and the successive casings are exposed as108
the decoration requires, by cutting through them withthe engraver’s wheel.
Many of the beautiful articles in M. Maes’ collection