Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 25-15
... SAMPLES , NOTES , AND ASSAY MAPS Sample tagging . A good method is to write the number ( and any descriptive matter ) with soft lead or indelible pencil in heavy lines on strong bond paper , like that of ordinary loose - leaf notebooks ...
... SAMPLES , NOTES , AND ASSAY MAPS Sample tagging . A good method is to write the number ( and any descriptive matter ) with soft lead or indelible pencil in heavy lines on strong bond paper , like that of ordinary loose - leaf notebooks ...
Halaman 29-5
... sample spout diverts the entire stream for the sample . Snyder sampler ( Fig 3 ) consists of a cast - iron plate A , revolving in a vertical plane on axis B , with an inclined sample spout C passing through it . As the spout passes ...
... sample spout diverts the entire stream for the sample . Snyder sampler ( Fig 3 ) consists of a cast - iron plate A , revolving in a vertical plane on axis B , with an inclined sample spout C passing through it . As the spout passes ...
Halaman 29-7
... sample is approx 20 % , though 5 % may be taken with a special elliptical drive . 6. FINAL SAMPLE When diam of largest particles is 0.125 to 0.5 in , and weight is 25 to 500 lb , the sample is taken to the bucking room for further ...
... sample is approx 20 % , though 5 % may be taken with a special elliptical drive . 6. FINAL SAMPLE When diam of largest particles is 0.125 to 0.5 in , and weight is 25 to 500 lb , the sample is taken to the bucking room for further ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
Hak Cipta | |
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adjustment Aerial Tramway anthracite approx assay aver borax buckets Bur Mines capac carriers cars charge chute claim coal mines compressor concentrate conveyer copper cost crusher crushing cu ft cupel cyanide deflection diam discharge distance drill dust elev engineer explosions feed filter fire firedamp gold hoisting horiz intercooler labor lamp less litharge loaders loading lode long ton machine material mechanical metal method mill mineral motor operation pipe plant plate plumb-bob pump pyrite rock safety lamps sample screen shaft sheave short ton side silver sizes Sodium carbonate solution speed station steel stopes surface survey Table tape telescope temp tension tests timber tion tons Total towers track cable traction rope tramway Trans transit traverse underground usually vein vertical wire zinc