Pearl Grey.--Prepare a bath with 3 lb. fluoride of chrome and 4 lb. Alizarine Bordeaux B. Enter into the bath when cold, then heat to the boil and work for one and a half hours, then lift, wash and dry.
Silver Grey.--The dye-bath is made with 3 lb. fluoride of chrome and 6-1/2 oz. Alizarine Cyanine G G, the dyeing being done as in the last recipe.
Greenish Grey.--A good shade is dyed with 3 lb. fluoride of chrome, 4 oz. Alizarine Bordeaux B, and 4 oz. Diamond Flavine G, working as given in the above recipe.
Grey.--Give a pale blue bottom with an indigo vat, then dye in a bath containing 1 lb. fluoride of chrome, 1/2 oz. Diamine Fast Red F, and 3/4 oz. Anthracene Yellow C; work at the boil for one hour, lift, wash, and dry.
Dark Grey.--A very fine dark grey, almost approaching a black is obtained by the following plan: bottom the wool with a medium blue by means of the indigo vat, dye in a bath containing 1 lb. fluoride of chrome, 3 oz. Diamine Fast Red F, and 3 oz. Anthracene Yellow C.
Slate Grey.--A good slate grey of a slightly greenish tone can be dyed in a bath of 5 lb. acetate of ammonia, 3/4 lb. Acid Blue 4 S, and 1/4 lb. Titan Brown R, working at the boil to shade.
Pale Slate Grey.--The dyeing is done in a bath made with 5 lb. acetate of ammonia, 5 oz. Acid Blue 4 S, and 1-1/2 oz. Titan Brown R, working at the boil for one hour.
Silver Grey.--A very nice shade is dyed with 3 oz. Acid Blue 4 S, 1/4 oz. Titan Red, and 5 oz. acetate of ammonia.
Silver Grey.--A shade similar to the last is dyed in a bath containing 10 lb. Glauber's salt, 5 lb. bisulphate of soda, and 3/4 oz. Anthracite Black R. By adding a little Thiocarmine R the shade can be turned bluer in tone, while the addition of a little Milling Yellow O, or Titan Yellow, turns it to the green side.
Pearl Grey.--Make the dye-bath with 10 lb. Glauber's salt, 5 lb. acetic acid, and 3/4 lb. Naphthylamine Black D. This gives fine shades of pearl grey.