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Green Enamels
I. Flux, 2 pounds; black oxide of copper, 1 ounce; red oxide of iron, drachm; mix.
II. As above, but use the red oxide of copper. Less decisive. 2720 to 2723), which consists of gold and tin.
In the hands of the skillful artist, any of these substances produce shades of red of the most exquisite hue; when most perfect, the enamel comes from the fire quite colorless, and afterwards receives its rich hue from the flame of the blow-pipe.