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Protecting Lead Pipes from Water

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Seventh-day Adventist Missionary Society · Oakland, California · Jul 12, 1883

FromSigns of the Times, Vol. 9, No. 26.

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Protecting Lead Pipes from Water

A FRENCH paper says that the interior of a lead pipe can be covered with an incrustation of sulphide of lead by making a concentrated solution of potash flow through it for ten or fifteen minutes. Pipes thus treated seem to be covered with grayish varnish, which prevents the water flowing through them from acting upon the lead.