...They are divisible into three classes—the stannic cerulianblue, the aluminous cobalt blues, and the siliceous smalts...
George Field 「Field's Chromatography」
...Although not to beranked with ultramarine, the stannic and aluminous blues may bedescribed as durable, or at least as durable rather than semi-stable...
George Field 「Field's Chromatography」
...By heating chromate of stannic oxide to bright redness, a dark violetmass is obtained, which is better adapted to enamel painting than to thepalette...
George Field 「Field's Chromatography」
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