Quotation from: General Science

Written by: Bertha M. Clark


[Illustration: FIG. 159.--The material to be bleached is drawn through
an acid _a_, then through a bleaching solution _b_, and finally
through a neutralizing solution _c_.]


The bleached material is then immersed in a neutralizing bath and is
finally rinsed thoroughly in water. Strips of cotton or linen many
miles long are drawn by machinery into and out of the various
solutions (Fig. 159), are then passed over pressing rollers, and
emerge snow white, ready to be dyed or to be used as white fabric.

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