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Blanched Sponge

Soak the instances, the color of the rags, supposing the sponges for several days in cold water, renew- same to be dyed or printed goods, will be also ing the water and squeezing the sponges occa-destroyed. Chlorine cannot be used for this sionally. Then wash them in warm water, purpose, because it causes woolen and silk and place them in cold water to which a little fabrics to become yellow , and impairs the muriatic acid has been added. Next day take strength of the fibre, by entering into chemi- cal combination with the wool, silk, and other added. Next day take strength of the fibre, by entering into chemithem out and wash them thoroughly in soft similar substances of animal origin; as, for thoroughly in soft cal combination with the wool, silk, and other water; then immerse them in an aqueous instance, sponge, animal gut, isinglass, &c., them in an aqueous similar substances of animal origin; as, for sulphurous acid (specific gravity 1.034) for a instance, sponge, animal gut, isinglass, &c., week. They are afterwards washed in plenty all of which, if requiring bleaching, are of water, squeezed, and allowed to dry in the bleached by sulphurous acid . 1727. New Method of Bleaching