The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 206
the syrup to beoperated upon. The fourth improvement is the making of the vacuum pan used in themanufacture of sugar, or in the refining of sugar, of cast iron, and in themanner described above. COPPER ORES. William Henry Ritchie, of Lincolus Inn, in the county of Middlesex, gentleman, for ^… … This inTenlion relates to using galvanic currents for precipitating copperfrom solutions of sulphate of copper, oblaineil by dissolving copper ores. Inprevious attempts to effect this object, the excilint; licjuiJ ami the solution ofcopper have bien kept sepnrate ; but. in the present instance, the…
Architecture · Civil engineering · Science
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