or VERDATE, a preparation of copper, sometimes used by painters, &c., for a blue; but but more usually mixed with a yellow for a green colour. See Copper, Chemistry Index, and Colour-Making, No. 28.
or VERDATE, a preparation of copper, sometimes used by painters, &c., for a blue; but but more usually mixed with a yellow for a green colour. See Copper, Chemistry Index, and Colour-Making, No. 28.