 ... and repeat the whole operation, until the reversion can be made without causing any change in the bubble. It would be well to test the lateral adjustment, and make such correction as may be necessary in that, before the horizontal adjustment is entirely...  Gurley Manual of Surveying Instruments ... - Page 68by Gurley, W. & L. E., Troy, N.Y. - 1857Full view - About this book
 | Charles Fitzroy Bellows, Francis Hodgman - Surveying - 1886 - 490 pages
...the level, until by estimation half the correction is made; again bring the bubble into the center and repeat the whole operation, until the reversion...before the horizontal adjustment is entirely completed. 183. To Adjust the "Wyes.— Having effected the previous adjustments, it remains now to describe that... | |
 | Daniel Carhart - Surveying - 1888 - 528 pages
...either end, lower that end, or, what is equivalent, raise the other by turning the small adjusting-nuts, on one end of the level, until by estimation half...before the horizontal adjustment is entirely completed. 401. To Adjust the Wyes. Having effected the previous adjustments, it remains now to describe that... | |
 | Daniel Carhart - Surveying - 1888 - 536 pages
...bubble into the centre, and repeat the whole operation, until the reversion can be made without cansing any change in the bubble. It would be well to test...before the horizontal adjustment is entirely completed. 401. To Adjust the Wyes. Having effected the previous adjustments, it remains now to describe that... | |
 | Thomas J. Foster - Coal mines and mining - 1891 - 444 pages
...bubble into the centre and repeat the whole operation, until the reversion can be made without cansing any change in the bubble. It would be well to test...describe that of the wyes, or, more precisely, that which brines the level into a position at right angles to the vertical axis, so that the bubble will remain... | |
 | Daniel Carhart - Surveying - 1893 - 528 pages
...bubble into the centre, and repeat the whole operation, until the reversion can be made without cansing any change in the bubble. It would be well to test...correction as may be necessary in that, before the hori zontal adjustment is entirely completed. 401. To Adjust the Wyes. Having effected the previous... | |
 | W. & L.E. Gurley - Surveying - 1905 - 462 pages
...estimation, half the correction is made ; again bring the bubble into the middle by the leveling-screws, and repeat the whole operation until the reversion...horizontal adjustment is entirely completed. To adjust the Ys: Having made the previous adjustments, it remains now to bring the level into S- position at right... | |
 | J. C. Sala - 1896 - 176 pages
...the level, until by estimation half the correction is made; again bring the bubble into the center and repeat the whole operation, until the reversion...or, more precisely, that which brings the level into position at right angles to the vertical axis, so that the bubble will remain in the center during... | |
 | Thomas J. Foster - Coal mines and mining - 1905 - 1056 pages
...the level, until, by estimation, half the correction is made; ngain bring the bubble into the center and repeat the whole operation, until the reversion...Wyes.— Having effected the previous adjustments, it remaina now to describe that of the wyes, or, more precisely, that which brings the level into a position... | |
 | W. & L.E. Gurley - Surveying - 1908 - 484 pages
...estimation, half the correction is made. Again bring the bubble into the middle by the leveling-screws, and repeat the whole operation until the reversion...horizontal adjustment is entirely completed. To adjust the Ys: Having made the previous adjustments, it remains to bring the level into position at right angles... | |
 | Thomas J. Foster - Coal mines and mining - 1916 - 1230 pages
...the whole operation, until the reversion can be made without causing any change in the bubble. It is well to test the lateral adjustment, and make such...before the horizontal adjustment is entirely completed. 3.' To Adjust the Wyes. — To adjust the wyes, or, more precisely, to bring the level into a position... | |
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