The views of Becher on the composition of substances mark little essential advance on those of the two preceding centuries, and the three elements or principles of salt, mercury and sulphur reappear as the vitrifiable, the mercurial and the combustible earths.
Not until the year 1620 do we find any evidence of the style for which Arita porcelain afterwards became famous, namely, decoration with vitrifiable enamels.
To this increase in production and to the more elaborate application of vitrifiable enamels may be attributed the erroneous idea that Satsuma faience decorated with gold and colored enamels had its origin at the close of the 18th century.
Decoration with vitrifiable enamels over the glaze, though it began to be practised at Owari about the year 1840, never became a speciality of tile place.
These men seldom use vitrifiable enamels, pigments being much more tractable and less costly.
Ninsei, in the middle of the 17th century, inaugurated a long era of beautiful productions with his cream-like fish-roe eraquel glazes, carrying jrich decoration of clear and brilliant vitrifiable enamels.
From this judgment must be excepted, however, his ivory-white and cladon wares, as well as his porcelains decorated with blue, or blue and red sous couverte, and with vitrifiable enamels over the glaze.
It can scarcely be doubted that the true instincts of the ceramist will ultimately counsel him to confine his decoration over the glaze to vitrifiable enamels, with which the Chinese and Japanese potters of former times obtained such brilliant results.
It is plain that such a method as the latter implies great command of colored pastes, and, indeed, no feature of the manufacture is more conspicuous than the progress made during the period1880-1900in compounding and firing vitrifiable enamels.
In TOkyO, KiOto, Yokohama and Kobern all of which places decorating ateliers (etsuke-dokoro), similar to those of TokyO, have been established in modern timesthe artists use chiefly pigments, seldom venturing to employ vitrifiable enamels.
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