Society of Glass Technology · [Sheffield] · leaf 216
satisfactory. 2. Passing an electric current between core and mould. For this purpose, the mould and core were connected with adirect-current circuit (110 volts), the mould constituting the anodeand the core the cathode. An experimental series of pots wascast. These were all broken up for… … Mould Fig. 3. decompose the electrolyte, and a band of bubbles appeared. Theseare seen in sections cut from these pots, as illustrated in Plate 4.The method attained its object in so far that a layer of coarsegrog particles was found immediately in contact with the core, buta band of clay and…
Glass
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