DIGESTER

n. Di-je2st'u6r. Fr., digest eur marmite. Ger., Verdauer, Dampftopf. It., digest ore. Sp., digestor. 1. A strong metallic kettle with a safety-valve, for subjecting bodies to a high temperature. 2. Of Fleury, a condensing apparatus the principle of wnich is founded upon tne condensation of the hot vapors of the menstruum in a digesting gla ve el. [L, 41; " Proc. of the Am. Pharm. A oc.," x (a, 21)7] Papin's d. An instrument serving to increase the di olving qualities of liquids by raising their boiling point. It consists of a bronze cylinder closed by a tightly fitting cover kept in place by a screw descending from an iron frame. A safety valve attached to an opening in the cover is governed by a lever with a movable weight. The apparatus can support a pre ure of six atmospheres. [B, 21 (a, 27).] [s. 569]