Lately Called Factitious Ultramarine Is A Specially Fine Preparation

: ON THE PRIMARY, BLUE.

of M. Guimet, presenting the nearest approach to the natural product of

any artificial ultramarine, both in transparency, purity of hue, and

chemical characteristics. Equalling in depth and power the ordinary

French ultramarine, it possesses greater clearness, beauty, and

brightness; and has, in a subdued degree, that quality of light in it,

and of the tint of air, which forms so distinguishing a feature in the

native blue.



TTITLE FRENCH ULTRAMARINE,



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