PIGMENTS
source. Fortunately, this demand has already arisen. The manufacturers of print goods all over the world are intisting upon pigments which will remain permanent under the strong rays of the tropical sun, and which will at the same time resist the action of the various alkalies and acids they are sure to encounter in the wash-tub. To meet this demand one great firm of color-makers has a hundred expert chemists employed upon the problem. Already they have achieved one definite and splendid result—a synthetic red which is absolutely neutral, chemically considered, and ten times more powerful than the best vermilion. As an artist's color, it replaces almost all the other red pigments which we have inherited from the past. The same chemists have an equally powerful yellow and blue under careful observation, and it is
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