Mining Engineers' Handbook, Volume 1Robert 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 35-3
Robert Peele, John Adams Church. Compared with hand - picking , figures in Table 2a Table 2a . Results of Mechanical indicate the elimination obtainable on various sizes by modern preparation plants ( 1 ) . Ash in the 1.60 sp gr sink ...
Robert Peele, John Adams Church. Compared with hand - picking , figures in Table 2a Table 2a . Results of Mechanical indicate the elimination obtainable on various sizes by modern preparation plants ( 1 ) . Ash in the 1.60 sp gr sink ...
Halaman 39-19
... Table 12. Values of Btu per Cu Ft of Best Air and Gas Mixture Fuel Carbon monoxide .. Hydrogen . Methane . Benzene ... Table 11 gives values for 1 ( Pa Pb ) and as the air - fuel mixture is largely air the vol per lb may be considered ...
... Table 12. Values of Btu per Cu Ft of Best Air and Gas Mixture Fuel Carbon monoxide .. Hydrogen . Methane . Benzene ... Table 11 gives values for 1 ( Pa Pb ) and as the air - fuel mixture is largely air the vol per lb may be considered ...
Isi
COMPRESSED AIR PRACTICE | 15-2 |
Appli | 15-15 |
Hydraulic Compressors | 15-22 |
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 compressed 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 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