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The Median Age Was forty Two Years

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For a cream these treatments are repeated. On this the kier is vertical, and the circulation of the liquor is effected via a centrifugal or other type of pump, whereas the heating of the liquor is brought about outside the kier in a separate vessel between the pump and the kier by the use of oblique steam. The roller revolves slowly, in order that the hanks, while passing continuously by means of the bleaching powder, are for the better part of the time being uncovered to the air.

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