Grand-Grandfather's
Useful Antique Recipes
- all sorts of paints and
colors - 10
-
recipes from the 'Household
Cylopedia', 1881
- PAINTS AND COLORS -
• To clean pictures.
Take the picture out of the frame, lay a coarse towel on it for 10 or 14 days; keep continually wetting it until it has drawn out all the filthiness from the picture, pass some linseed oil, which has been a long time seasoned in the sun, over it, to purify it, and the picture will become as lively on the surface as new.
Another Method.
Put into 2 qts. of the oldest lye 1/4 lb. of Genoa soap, rasped very fine, with about a pint of spirit of wine, and boil all together; then strain it through a cloth, and let it cool. With a brush dipped in the composition rub the picture all over, and let it dry; repeat this process and let it dry again, then dip a little cotton in oil of nut, and pass it over its surface. When perfectly dry, rub it well over with a warm cloth, and it will appear of a beautiful freshness.
• To restore discolored White.
In paintings, where the white has become blackened by sulphuretted hydrogen, the application of Thenard's oxygenated water will instantly restore it. Probably a solution of permanganate of potassa would have the same effect. (See CONDY'S SOLUTION).
• To restore paintings.
Prof. Pettenkoffer has shown that the change which takes place in old paintings, is the discontinuance of molecular cohesion, which, beginning on the surface in small fissures, penetrates to the very foundation. His process is to expose the picture in a tight box to the vapor of alcohol, ether benzine, turpentine, or other similar solvent. The process has been successfully tried in several instances.
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