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- verb Present participle of
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Mordanting or aluming: 20 lb. of alum are dissolved in hot water, and 5 lb. of soda crystals are slowly added in order to prepare a basic alum solution; this is now made by the addition of water to stand at 8° Tw.
But the first method produces the fastest and brightest greens as the aluming after the blue vat clears the wool of the loose particles of indigo and seems to fix the colour.
In dyeing cotton yellow, we begin by feour - ing it in a bath prepared wkh the ley of the afhes of green wood; it is then waflicd, dried, and alumed with one fourth of ks weight of alum; after twenty-four hours it is taken out of the aluming, and dried without being waihed.
Lefs aluming is required for this than for grain crimfon.
For rofe colours he omits the galling, and for the aluming ufes only two ounces of alum.