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Transactions . Platk III.—Sturtevant Laboratorv Disc Grinder. Silver-Cobalt Ores at Copper Cllff. 291 TABLE 2. Sample Sample % .42 .2 .04 .87 The average difference between Sample 1 and 2 on the above19 shipments is .68%, which is remarkably small considering thegrade of the ore and the amount of metallics contained. The capacity of the smelting plant is determined by that ofthe crushing plant, wh
Transactions . Platk III.—Sturtevant Laboratorv Disc Grinder. Silver-Cobalt Ores at Copper Cllff. 291 TABLE 2. Sample Sample % .42 .2 .04 .87 The average difference between Sample 1 and 2 on the above19 shipments is .68%, which is remarkably small considering thegrade of the ore and the amount of metallics contained. The capacity of the smelting plant is determined by that ofthe crushing plant, which is about 15 tons per day. It requires three days to complete the sampling of a thirtyton car. 292 The Canadian Mining Institute. TABLE TABLE SHOWING THE SAMPLING OF SILVER-COBALT ORES BY THE CANADIAN COPPER COM-PANY, AT COPPER CLIFF, ONT. (1) Ore in Railroad Car as shipped from mine. I (2) Weighing Scales. I (3) Large Jaw Crusher. 1 Wet Ore< 1(4) Steam Drying Plates. 1 Rough Moisture Sample.
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Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1895