from The Century Dictionary and Cyclopedia
- n. Same as soluble blue (which see, under blue).
Sorry, no etymologies found.
Blonde, fine toilet-soap is used; the blonde is soaped over very slightly, and washed in water in which a little fig-blue is dissolved, rubbing it very gently; when clean, dry it.
When taken out, it should again be rinsed, first in clean hot water, and then in abundance of cold water slightly tinged with fig-blue, and again wrung dry.
a sponge charged with water in which some gum-dragon and fig-blue have been dissolved, to give it a proper consistence.