Mining Engineers' Handbook, Volume 1Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-23
... necessary for an ordinary engineer's transit is a colored glass over the eye - piece . Even this may be dis- pensed with in the following manner : Draw out the eye - piece tube a little way and hold a card behind it ; if telescope be ...
... necessary for an ordinary engineer's transit is a colored glass over the eye - piece . Even this may be dis- pensed with in the following manner : Draw out the eye - piece tube a little way and hold a card behind it ; if telescope be ...
Halaman 22-34
... necessary . Build houses on highest ground available , remove foliage in immediate vicinity , screen carefully , and drain mosquito - breeding pools if possible . SYMPTOMS : fever or chill , sometimes accompanied by violent vomiting ...
... necessary . Build houses on highest ground available , remove foliage in immediate vicinity , screen carefully , and drain mosquito - breeding pools if possible . SYMPTOMS : fever or chill , sometimes accompanied by violent vomiting ...
Halaman 31-16
... necessary for neutralization ; ( c ) most suitable dilution of pulp ; ( d ) strength of cyanide required ; ( e ) time of treatment necessary ; ( f ) whether to treat entirely by agitation , or to separate a portion for percolation ...
... necessary for neutralization ; ( c ) most suitable dilution of pulp ; ( d ) strength of cyanide required ; ( e ) time of treatment necessary ; ( f ) whether to treat entirely by agitation , or to separate a portion for percolation ...
Isi
COMPRESSED AIR PRACTICE | 15-2 |
Appli | 15-15 |
Hydraulic Compressors | 15-22 |
Hak Cipta | |
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Edisi yang lain - Lihat semua
Istilah dan frasa umum
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