For blue, prussian blue; red, crimson lake; yellow, Indian yellow; brown, burnt sienna; black, lamp black; with mixtures of the above for other colors.

Rub them in a size composed of Venice turpentine 2 parts, and turpentine, 1 part.

Aniline dyes dissolved in shellac varnish can be used in the same way, but are more apt to fade.

Aniline colors dissolved in linseed oil or turpentine (the oil soluble variety of aniline) may be added to thin varnish to produce transparent paints for all ordinary purposes.