A manual of dyeing: for the use of practical dyers, manufacturers, students, and all interested in the art of dyeing (1919)
Knecht, Edmund, 1861-1925, Loewenthal, Richard, Rawson, Christopher · London : C. Griffin · leaf 112
s,through which it percolates and collects again under the false bottom. D isthe waste pipe through which the liquor is let off by the valve, E, when theoperation is finished. The chemicking, souring, and washing off are usually done in a simplearrangement (Fig. 12), by means of which much hand…
Dyes and dyeing
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