Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 315
gently by means of a muddler, i.e., a short-handled rake having a wooden head. Another method of dyeing calico, sometimes called•* skying, because used for light blues, is shown in Fig. 82. Chap. XIII.J INDIGO. 301 The pieces are passed through a series of rollers, arrangedon a wooden frame… … ^IVtZJfWSf^^ Fig. 82.—Continuous Indigo Dyeing Machine. may be repeated two or three times, according to the in-tensity of colour required. . After leaving the vat, the pieces are first rinsed in coldwater, to remove the loose lime and Indigo adhering super-ficially, and then in dilute sulphuric…
Dyes and dyeing
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