IRON SOLDERS: See Solders.
IRONING WAX: See Laundry Preparations.
IRON VARNISHES: See Varnishes.
ITCH, BARBERS’: See Ointments.
IVORY
(See also Bones, Shell, and Horn.)
To Color Ivory:
Red.—The article is placed for 24 hours in water, 1,000 parts of which carry 100 parts of vinegar (acetic acid, 6 per cent), and from 1 to 5 parts of aniline red. As soon as it acquires the desired color pour off the liquid, let the ivory dry, and polish with Vienna lime.
Black.—Wash the article first in potash or soda lye and then put into a neutral solution of silver nitrate. Drain off the liquid and lay in the direct sunshine.
Red-Purple.—Put the article in a weak solution of triple gold chloride and then into direct sunshine.