It is sufficient here to point out how white silks are passed through the archil bath.
The manufacture of archil was for centuries carried on in wooden troughs.
archil is perhaps too much used in some cloth factories of England, to the discredit of our dyes.
Instead of extract of archil, fast red or bordeaux may be employed.
archil, r′kil, n. a colouring substance obtained from various species of lichens.
A less fast color is obtained with archil, indigo carmine and picric acid.
Since more solid dyes of the same shade have been invented, the archil has gone much into disuse.
A rose colour is given by tincture of archil; and yellow, by tincture of turmeric or annotta.
Hydrochloric acid turns ammoniacal cochineal pink, but merely discolours the red made from archil.
Roccella, rok-sel′a, n. a genus of parmeliaceous lichens, yielding dyers' archil or orchil.