MEDIUM BROWN.
All light colors can be made a handsome shade of medium brown without removing the color by bleaching or without washing, unless very dirty and greasy. Prepare your bath by diluting about two ounces of turmeric and a half ounce of copperas in one gallon, more or less, of boiling water. Enter your feathers, keep them well under the surface of bath, and let them remain therein about two minutes; after which take out, rinse twice in cold water. Have boiling meantime a medium strong bath of logwood, about the same proportion as for black; boil about fifteen minutes, and enter your feathers, allowing them to remain in about one minute; after which take out and rinse off twice in cold water; then dilute about a half teaspoonful of aniline brown in a gallon of boiling water, and after dissolving well, enter your feathers, and let them remain in bath about two minutes; take out and rinse in cold water; after which dilute a small handful of starch in a small quantity of luke warm water, and add to that a couple of drops of sulphuric acid; pass feathers through for a few seconds, squeeze out and dry.
Should your color be too dark to match sample, return to starch bath, add a few drops of sulphuric acid, let feathers remain in about half a minute, and dry. If a darker shade is wanted, it is necessary to rinse off starch in cold water, and return your feathers to logwood bath for a few seconds, rinse off and repeat Bismarck brown bath as before. By this process, with a little judgment, all shades of brown can be produced in the most satisfactory manner.