Mining Engineers' Handbook, Volume 1Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-11
... PLOTTING TRAVERSES By protractor and scale . The courses of a 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 ...
... PLOTTING TRAVERSES By protractor and scale . The courses of a 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 ...
Halaman 17-46
... plotted on map ; levels also may be run to determine elevation of triangulation or traverse points , which will then be used as a control for plane - table survey . In this case the plane table is used only to fill in details , and ...
... plotted on map ; levels also may be run to determine elevation of triangulation or traverse points , which will then be used as a control for plane - table survey . In this case the plane table is used only to fill in details , and ...
Halaman 26-6
... Plotting a Parabola , Axes Rectangular Fig 10. Plotting a Parabola , Axes Oblique BY POINTS : Plotting of parabolic curves may be ... plotted to desired scale , as in Fig 9 or 10 ( same method applying whether chord is horiz or inclined ) ...
... Plotting a Parabola , Axes Rectangular Fig 10. Plotting a Parabola , Axes Oblique BY POINTS : Plotting of parabolic curves may be ... plotted to desired scale , as in Fig 9 or 10 ( same method applying whether chord is horiz or inclined ) ...
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