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Aniline Blue (To pounds of fabric dissolve)

To 100 pounds of fabric dissolve 1± pounds aniline blue in 3 dissolve 14 pounds aniline blue in 3 quarts hot alcohol; strain through a filter and add it to a bath of 130° Fah.; also 10 salts, and 5 pounds acetic acid. Enter the goods and handle them well for 20 minutes; next heat it slowly to 2000 Fah.; then add 5 pounds sulphuric acid diluted with water.

Let the whole boil 20 minutes longer, then rinse and dry. If the aniwith the shellac, resin, thus, and mastic, and into a copper pan (heated by steam), together allowed to boil for some time, more warm water being added occasionally until it is of a proper consistence ; this may be known by pouring a little on a cold slab, somewhat inliquor runs off at the lower end, it is sufficiently fluid. If, on the contrary, it sets before it reaches the bottom, it requires more water. When the whole of the gums seem dissolved, pint of wood naphtha must be introduced , with the solution of copal; then the liquor must be passed through a fine sieve, and it will be perfectly clear and ready for use.

This stiffening is used hot. should be steeped in a weak solution of soda The hat bodies, before they are stiffened, in water, to destroy any acid that may have been left in them (as sulphuric acid is used in the making of the bodies.) If this is not attended to, should the hat body contain any acid when it is dipped into the stiffening, the alkali is neutralized , and the gums consequently precipitated . After the body has been steeped in the alkaline solution, it must be perfectly dried in the stove before line be added in two or three proportions dur- the stiffening is applied; when stiffened and ing the process of coloring, it will facilitate stoved, it must be steeped all night in water the evenness of the color. Hard and close to which a small quantity of the sulphuric wove fabrics, such as braid, ought to be pre- acid has been added ; this sets the stiffening pared in a boiling solution of 10 pounds sul- in the hat body, and finishes the process. phuric acid and 2 pounds tartaric acid before coloring with the aniline, as this will make the fabric more susceptible to the color. o Remove Stains, Spots,