LIGHT DRAB.
Scour and rinse the feathers as usual; bleached grays may be used. Prepare a bath with five per cent., of the weight of feathers, bisulphate of soda and the clear solutions of acid violet, azo orange and fuchsine S.; add the dyestuff in small portions and finally by drops, until the bath has the desired shade of color; then enter the feathers and dye at 170° F. to sample, squeeze or centrifugate, starch and dry.