Colours With The Neutral Black Of The Various Combinations Of Black

: ON COLOURS AND PIGMENTS GENERALLY.

those in which yellow, orange, or citrine predominates, have obtained

the name of brown, &c. A second class in which the compounds of black

are of a predominant red, purple, or russet hue, comprises marrone,

chocolate, &c. And a third class, in which the combinations of black

have a predominating hue of blue, green, or olive, includes gray, slate,

&c.



While treating of the classes of colours, it may not be out of place to



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