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whether the silk can be roused, or whether it requires to be re-dyed. Should it require re-dying, this is done as follows:— For a gown, boil 2 ounces of logwood, when boiled half an hour, put in your silk, and simmer it half an hour, then take it out and add a piece of blue vitriol as big as a pea, and a piece of green copperas as big as the half of a horse bean; when these are dissolved, cool down the copper with cold water, and put in your silk and simmer half an hour, handling it over with a stick; wash and dry it in the air.
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Light Blue Silk.
Your silk being boiled in white soap and water, and made quite white, must be rinsed in warm water: then take a vessel of sufficient size to wash your goods in; pour into this some cold water, sufficient to cover your articles to the depth of two or three inches. Then drop from a chemic blue bottle one or two drops; if the shade is to be azure or pale blue, these will suffice; but for a darker shade, more must be used. Put in your articles, and handle them from ten minutes to half an hour, as the shade requires.
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Violet, Pansy, and colours bordering on Purple.
Purples are made by giving them a first shade of blue, more or less full as you would have the shade to be, into blood-warm water, pour a quantity of ⟨archil⟩ from half a pint to a pint and a half; and when this, liquor is almost scalding hot, put in your goods and handle them well; and by simmering them an hour or thereabouts you will have a pretty fine violet, or pansy, more or less full, according to the quantity of archil used; but if the colour requires to be dark
