Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-7
... adjustment as follows : Sight telescope at point A ( 200 to 300 ft away ) , and clamp vert axis ; invert telescope ... ADJUSTMENTS Engineer's level is a TRANSIT AND ITS ADJUSTMENTS 17-07.
... adjustment as follows : Sight telescope at point A ( 200 to 300 ft away ) , and clamp vert axis ; invert telescope ... ADJUSTMENTS Engineer's level is a TRANSIT AND ITS ADJUSTMENTS 17-07.
Halaman 17-8
... adjustment . Dumpy - level has its vert axis , horiz bar , and supports for telescope , all cast in one piece , to which spirit - level is attached . The dumpy - level will stand much rougher usage than the Y - level , has fewer wearing ...
... adjustment . Dumpy - level has its vert axis , horiz bar , and supports for telescope , all cast in one piece , to which spirit - level is attached . The dumpy - level will stand much rougher usage than the Y - level , has fewer wearing ...
Halaman 17-9
... adjusting screws . This method is also used for adjusting the hand level . In applying it for transits , the adjustment may be made by moving either cross - hair ring or one end of level tube . If cross - hair is moved , the adjustment ...
... adjusting screws . This method is also used for adjusting the hand level . In applying it for transits , the adjustment may be made by moving either cross - hair ring or one end of level tube . If cross - hair is moved , the adjustment ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
Hak Cipta | |
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