is compressed flask and connected outside with a dropping funnel con- that of the melting point of platinum while in a gase- in advance in a receiver, by means of a mercurial pis- ous atmosphere whose nature and pressure may be va- taining chloride of ammonium solutionand a few drops ton pump. It… … perature in carbonic acid without alteration and without a loss of transparency. I have found, too, that clear cale spar converted for showing the reaction. M, manometer. L, amperemeter. into lime on the surface by theaction of heat Fig. 2—SECTION OF THE APPARATUS, at the ordinary pressure, takes…
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