Mining And Ore Dressing Machinery a Comprehensive Treatise Dealing With the Mo
Mining And Ore Dressing Machinery a Comprehensive Treatise Dealing With the Mo
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This line is about three miles in length, and has some very large spans, the longest being nearly 1500 ft. The saving in many instances effected by the adoption of these ropeways, has enabled mines previously idle, owing to the heavy cost of transport, to be now worked at a profit.
FIG. 468.
Stchcn, of OUo's AendL Jfopway far Viz, Sheba, Gold, Miming Cvmpany LinuLuL ( Transvaal'} Otto Ropeway System.
2 P 290 MINING AND OEE-DEESSING MACHINERY.
CHAPTER XIII.
REDUCING MACHINERY.
THE first step nec...essary in the separation of ores from their associated gangues, is their reduction to a more or less fine state of division. The machines used for this purpose are first " breakers, " which reduce the ore to fragments not larger than hens' eggs ; and then " stamps, " " rolls, " or other forms of mill to complete the operation.
BREAKERS. These are of many patterns, each possessing some peculiar advantage. Fig. 469 illustrates a very simple form, made by Robey & Company, Lincoln. To render its transport easy, over bad or mountainous roads, steel is largely used in its construction, replacing the usual heavy cast-iron portions which add so much to the weight.
What to read after Mining And Ore Dressing Machinery a Comprehensive Treatise Dealing With the Mo?
You can find similar books in the "Read Also" column, or choose other free books by Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
This line is about three miles in length, and has some very large spans, the longest being nearly 1500 ft. The saving in many instances effected by the adoption of these ropeways, has enabled mines previously idle, owing to the heavy cost of transport, to be now worked at a profit.
FIG. 468.
Stchcn, of OUo's AendL Jfopway far Viz, Sheba, Gold, Miming Cvmpany LinuLuL ( Transvaal'} Otto Ropeway System.
2 P 290 MINING AND OEE-DEESSING MACHINERY.
CHAPTER XIII.
REDUCING MACHINERY.
THE first step nec...essary in the separation of ores from their associated gangues, is their reduction to a more or less fine state of division. The machines used for this purpose are first " breakers, " which reduce the ore to fragments not larger than hens' eggs ; and then " stamps, " " rolls, " or other forms of mill to complete the operation.
BREAKERS. These are of many patterns, each possessing some peculiar advantage. Fig. 469 illustrates a very simple form, made by Robey & Company, Lincoln. To render its transport easy, over bad or mountainous roads, steel is largely used in its construction, replacing the usual heavy cast-iron portions which add so much to the weight.
What to read after Mining And Ore Dressing Machinery a Comprehensive Treatise Dealing With the Mo?
You can find similar books in the "Read Also" column, or choose other free books by Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 to read onlineMoreLess
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