Dyeing: comprising the dyeing and bleaching of wool, silk, cotton, flax, hemp, china grass &c. (1888)
Sansone, Antonio · Manchester, Heywood · leaf 154
t hasto be learned practically by experience in the works; since,although the theory of the reduction of the indigo blue intomdigo white appears very simple, the practice on a workingscale is of much greater difficulty, since there it is only aquestion of making the dyeing pay, or not pay,… … s o <; 0 2 I—I <Z w o I>< Xh <; 0.
Dyes and dyeing
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