Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-46
Robert Peele, John Adams Church. 25. THE PLANE TABLE The plane table is used for constructing a map directly in the field . The paper is fastened to a board , like a drafting board , supported on a tripod , with a device for leveling and ...
Robert Peele, John Adams Church. 25. THE PLANE TABLE The plane table is used for constructing a map directly in the field . The paper is fastened to a board , like a drafting board , supported on a tripod , with a device for leveling and ...
Halaman 21-2
... tables the business as a whole is first exhibited , followed by successive subdivisions , until the details are as minute as practicable . The first table for a given mine gives total expenses by departments . Thus , Example 2 , Table 3 ...
... tables the business as a whole is first exhibited , followed by successive subdivisions , until the details are as minute as practicable . The first table for a given mine gives total expenses by departments . Thus , Example 2 , Table 3 ...
Halaman 4
... Table 4 gives percentage of shipments of each size made by preparation of the 1 000 tons of run - of - mine in Table 3 , and the average and total amounts realized , assuming each size to contain the allowable percentage of impurities ...
... Table 4 gives percentage of shipments of each size made by preparation of the 1 000 tons of run - of - mine in Table 3 , and the average and total amounts realized , assuming each size to contain the allowable percentage of impurities ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
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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