Hellot, Jean, 1685-1766 · London : Reissued by Scott, Greenwood · leaf 280
17 OF BLUE 259 round the vat, onl} to preserve the same degree of heat. Thisshould be continued till the liquor begins to turn green, whichis easily knoAvn by trying it with a little white silk. The vat in this state indicates that she is coming to ; thatis to sa}, that the operation goes on well;…
Dyes and dyeing
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