ns to be driving about with nently attached to the trunk large bags of gas for administration to their patients. There or lid—is shown in Fig. 1, are inconveniences also in the preparation of the gas on a which gives the inside view. small scale which disappear when the manufacture is carried It is… … central plate, D, and through HUPPEL'S PATENT LOCK. a similar aperture in the base plate, A, when a quarter turn of the movable part, Fig. 2, it acquires a fine brown color after ten to twelve repetitions the suggestion of the journal we mention is, that liquid pro- brings the head of the bolt, C,…
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