 The effect of the error of inclination on the circle reading for any direction varies as the tangent of the altitude of the object observed. If the inclination is small, as it may always be by proper adjustment, its effect will be negligible in most cases....  Report - Seite 287von Maryland Geological Survey - 1898Vollansicht - Über dieses Buch
 | Henry Gannett - 1906 - 644 Seiten
...the circle reading for any direction varies as the tangent of the altitude of the object observed. If the inclination is small, as it may always be by...measured with the striding level, so that the proper correctum can be applied. The following formula includes tho corrections to the circle rending on any... | |
 | Herbert Michael Wilson - 1912 - 1014 Seiten
...as in azimuth work, the inclination of the axis must be carefully measured with the striding-level, so that the proper correction can be applied. The...for collimation and inclination of telescope axis: Cor. = c sec h -\- b tan h ; . . . . (51) in which c = collimation in seconds of arc ; b = inclination... | |
 | Geological Survey (U.S.) - 1893 - 390 Seiten
...on the circle reading for anydirection varies as the tangent of the altitude of the object observed. If the inclination is small, as it may always be by...for collimation and inclination of telescope axis: c sec h + b tan li ,c = collimation in seconds of arc, b =. inclination of axis in seconds of arc,... | |
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