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of every deep-toned colour may be accurately judged of. Colours are found to differ in the bright light of the Sun, in which no difference may be

(Matching of Tints? Examine & compare with with 121) 135

The usual practice of the Italian Artists who make copies of the Pictures in the public Galleries, is to match, as nearly as the eye can judge, the colour of every part by bringing the tint, on the Palette Knife, near to the part to be imitated. The tint, thus imitated, is confidently painted on the correspondent part in the Copy. To show how fallacious this mode of judging, is this ____. Let the Artist thus imitate any tint from a Picture of his own that has been varnished, (because fresh paint put on it can be easily [[??]] off,) - However exact it may have appeared before, as soon as it is put on the picture, it will be found too dark, and it must inevitably become darker by the drying & condensation of the particles of paint. The light reflected back through the paint, from the polished surface of the Palette Knife, makes it appear lighter than it is; and besides, it is nearer to the eye than the spot which is imitated. The consequence is that the whole Copy becomes many degrees darker than the Original, the Varnish on which has darkened it considerably, from what it was when first painted.

To judge correctly of the comparative tones of the Pictures, the copy and the original should be placed together in the in the same degree of light, equally distant from the window & from the eye of the spectator. If the darkest of the two be placed nearest the spectator & the light, it will appear equally bright, perhaps more so. Reverse their positions & the fault will be more striking. To judge correctly, the positions of the two pictures should be changed alternately. My Copy of the Madonna, made from the Original of Florence, was begun upon a light ground, & although gradually reduced in tone as it was finished, was thought a degree or two too light; but being placed a few feet more distant than the Original, appeared to correspond exactly - Time & varnish have since reduced its brightness, it is now probably as dark as the Original, under the same degree of light.

Foray of Nature
No recipe for compounding tints, not even the Palette of Titian,