ow; it The value of washing out the surplus or ‘‘ free” lye tank, placed on a lower level than the first tank. The hot is accomplished in an apparatus called, in chandlers’ par- rying the lime with it. lance, the ‘‘ digester,” of which there are three in opera- tion. (Sce illustration, p. 388, vol.… … through the soap horizontally. This the impurities, etc. The intense heat to changes it into slabs the width and length which the tallow is subjected, and the con- of the frame and two or more inches tinuous washing it undergoes, destroy and thick. These slabs are placed, five at once, upon a…
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