Journal - South African Institute of Mining and Metallurgy . s ofclimes per day. Considerable difficulty has been experienced •in obtaining a marketable concentrate. This isdue to the presence of titaniferous iron inparticles considerably coarser than the accom-panying cassiterite. The effect of this on the ragframes and tallies is that the coarser ironconcentrates to the detriment of the is no doubt that by grinding, and therebyreducing all particles to the same fineness, theiron will be capable of elimination. This processis now on the point of being adopted. Pover Pin lit,
Journal - South African Institute of Mining and Metallurgy . s ofclimes per day. Considerable difficulty has been experienced •in obtaining a marketable concentrate. This isdue to the presence of titaniferous iron inparticles considerably coarser than the accom-panying cassiterite. The effect of this on the ragframes and tallies is that the coarser ironconcentrates to the detriment of the is no doubt that by grinding, and therebyreducing all particles to the same fineness, theiron will be capable of elimination. This processis now on the point of being adopted. Pover Pin lit, — All the machinery on theproperty is worked by electric power, generated bya miction gas engine and producer of the Tangyetype, capable f giving 115 The fuel usedis Welsh anthracite, costing 65s. per long at 50 the consumption of anthraciteover a period of 070 working hours has been31,241 lb., equivalent to 107 lb. per hour ora cost of 375d. During the same period the De 1907 Harry />. Griffiths- \ olony. 179.
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Keywords: ., bookcentury1800, booksubjectmetall, booksubjectmineralindustries
