Mining Engineers' Handbook, Volume 1Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
Dari dalam buku
Hasil 1-3 dari 86
Halaman 17-6
... TRANSIT AND ITS ADJUSTMENTS Engineer's transit ( sectional view , Fig 5 ) has two spindles , one fitting inside the other , to each of which is fastened a horiz circular plate ; the outer spindle is attached to lower Horizontal Circle ...
... TRANSIT AND ITS ADJUSTMENTS Engineer's transit ( sectional view , Fig 5 ) has two spindles , one fitting inside the other , to each of which is fastened a horiz circular plate ; the outer spindle is attached to lower Horizontal Circle ...
Halaman 18-6
... transit , " is preferred by some engineers . The transit is universally employed for accurate work . Any transit having a full vertical circle can be used for mining work involving no vertical angles over 60 ° , but where underground ...
... transit , " is preferred by some engineers . The transit is universally employed for accurate work . Any transit having a full vertical circle can be used for mining work involving no vertical angles over 60 ° , but where underground ...
Halaman 18-19
... transit point , and from the transit point to the last traverse station . Also measure , by repetition , the angle from the last station to the line of the wires . From these data compute bearing of the line of wires , and the ...
... transit point , and from the transit point to the last traverse station . Also measure , by repetition , the angle from the last station to the line of the wires . From these data compute bearing of the line of wires , and the ...
Isi
COMPRESSED AIR PRACTICE | 15-2 |
Appli | 15-15 |
Hydraulic Compressors | 15-22 |
Hak Cipta | |
22 bagian lainnya tidak diperlihatkan
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