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 289von Maryland Geological Survey - 1898Vollansicht - Über dieses Buch
| Maryland Geological Survey - 1898
...microscopes. Thus, if m = 2, the 180° circle should be shifted after each measure by an amount equal to , **which, for example, is 45° for n = 4 and 30° if...for collimation and inclination of telescope axis:** c sec h + 6 tan h; c = collimation in seconds of arc, b = inclination of axis in seconds of arc, h... | |
| Maryland Geological Survey - 1898
...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...for collimation and inclination of telescope axis:** c sec h + & tan h; c = collimation in seconds of arc, b = inclination of axis in seconds of arc, h... | |
| Maryland Geological Survey - 1898
...varies as the tangent of the altitude of the object observed. If the inclination is small, as it mar **always be by proper adjustment, its effect will be...for collimation and inclination of telescope axis:** c sec Ji -\- b tan h; c = collimation in seconds of arc, 6 = inclination of axis in seconds of arc,... | |
| Herbert Michael Wilson - 1900 - 910 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...inclination of the axis must be carefully measured with the** striding-level, so that the proper correction can be applied. The following formula includes the corrections... | |
| Herbert Michael Wilson - 1900 - 910 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...inclination of the axis must be carefully measured with the** striding-level, so that the proper correction can be applied. The following formula includes the corrections... | |
| Herbert Michael Wilson - 1900 - 910 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...inclination of the axis must be carefully measured with the** striding-level, so that the proper correction can be applied. The following formula includes the corrections... | |
| 1907
...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...striding level, so that the proper correction can** he applied. The following formula includes the corrections to the circle reading on any object for... | |
| Henry Gannett - 1906 - 88 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...for collimation and inclination of telescope axis:** c sec h + b tan h; c = collimation in seconds of arc, b = inclination of axis in seconds of arc, h... | |
| Geological Survey (U.S.) - 1906
...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...for collimation and inclination of telescope axis:** c sec h + b tan h; c = collimation in seconds of arc, b = inclination of axis in seconds of arc, h... | |
| Henry Gannett - 1906 - 88 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** corMEASUREMENT OF HOIUZONTAT.. ANGLES. 51 rection can be applied. The following formula includes the... | |
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