Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
Dari dalam buku
Hasil 1-3 dari 48
Halaman 17-11
... traverse should be plotted by a more exact method than may be used for plotting details ; but the latter can usually be plotted safely by protractor and scale . A closed traverse must necessarily close on the plan ; any error of closure ...
... traverse should be plotted by a more exact method than may be used for plotting details ; but the latter can usually be plotted safely by protractor and scale . A closed traverse must necessarily close on the plan ; any error of closure ...
Halaman 17-12
... traverse by plotting the natural tangents of the angles . First compute bearings of all the courses on the basis 441.32 676.42- E 931.62 913.42 G Computation of Coordinates Total Lats . Total Deps . B 394.71 A = 169.40 C = 0 411.32 B ...
... traverse by plotting the natural tangents of the angles . First compute bearings of all the courses on the basis 441.32 676.42- E 931.62 913.42 G Computation of Coordinates Total Lats . Total Deps . B 394.71 A = 169.40 C = 0 411.32 B ...
Halaman 17-28
... traverse from A to B can be run in which line AB would form closing side ; its direction and length can then be computed by methods of Art 12 and 17 . Any point D can be set on AB by computing its latitude and departure and comparing ...
... traverse from A to B can be run in which line AB would form closing side ; its direction and length can then be computed by methods of Art 12 and 17 . Any point D can be set on AB by computing its latitude and departure and comparing ...
Isi
AND SORTING OF ORES | 15 |
ELECTRIC POWER | 16-1 |
sion Wiring | 19-1 |
Hak Cipta | |
12 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 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 grade 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 valve vein vertical wire zinc