A text-book of Rand metallurgical practice: designed as a "working tool" and practical guide for metallurgists upon the Witwatersrand and other similar fields, Volume 1
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agitation alkaline amount aperture Assay value assayer banket battery screening bisulphate borax boxes bullion carbonate cent charge classiﬁers coarse cone containing copper crucible crushing cubic cupellation cyanide solution decanted diameter discharge dissolved dry slime extraction feet ﬁg ﬁgure ﬁlter ﬁnal ﬁne ﬁne gold ﬁneness ﬁner ﬁrst ﬁve ﬂow ﬂux furnace grade grammes heat inch iron J. R. WILLIAMS launder lead lead acetate lime liner litharge mercury metallic method mill mines moisture mortar-box nitrate obtained operation overﬂow oxide oxidising particles pebbles percentage pipe portion potassium potassium cyanide precipitation present pulp pump pyrite quantity Rand reduced residue sample sand settlement sieve silica silver silver nitrate slag smelting sodium Sodium carbonate speciﬁc gravity stamp stamp-mill suﬁicient sulphate sulphide sulphocyanide sulphuric acid surface TABLE tailing tappet temperature tons total gold treatment tube-mill underﬂow undissolved gold washed weight whilst zinc shavings