Hellot, Jean, 1685-1766 · London : Reissued by Scott, Greenwood · leaf 258
ce,and with a smaller quantity of soap, because the little remainingredness is by no means prejudicial to many colours. Differentquantities of soap are nevertheless necessary, according tothe colour for which the silk is designed; but I shall speakmore particularly concerning these quantities when… … \ 1 1 1 e 3 4 ■i—<? fcu 2?5 UNGUMMING AND BOILING FOR WHITE 237 Ungumming and Boiling foe White • The tii-st boiling for silk intended for white is called un-gumming, because the end proposed in this operation is ineffect to deprive the silk of a large portion of its gum. To accomplish this…
Dyes and dyeing
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