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- Q18387732 subject Q4057258.
- Q18387732 subject Q6135934.
- Q18387732 subject Q8826767.
- Q18387732 abstract "The permanent adjustments of theodolites are made to establish fixed relationship between the instrument's fundamental lines. The fundamental lines or axis of a transit theodolite include the following:- Vertical axis Axis of plate levels Axis of telescope Line of collimation Horizontal axis Axis of altitude bubbleThese adjustments once made last for a long time. These are important for accuracy of observations taken from the instrument. The permanent adjustments in case of transit theodolite are:- Horizontal axis adjustment.The horizontal axis must be perpendicular to the vertical axis. Vertical circle index adjustment.The vertical circle must read zero when the line of collimation is horizontal. Adjustment of altitude level.The axis of altitude level must be parallel to the line of collimation. Collimation adjustment.The line of collimation or line of sight should coincide with axis of the telescope.The line of sight should also be perpendicular to the horizontal axis at its intersection with the vertical axis . Also, the optical axis , the axis of the objective slide , and the line of sight should coincide. Adjustment of horizontal plate levels.The axis of plate levels must be perpendicular to the vertical axis.".
- Q18387732 wikiPageWikiLink Q1571347.
- Q18387732 wikiPageWikiLink Q181517.
- Q18387732 wikiPageWikiLink Q18388546.
- Q18387732 wikiPageWikiLink Q18393261.
- Q18387732 wikiPageWikiLink Q204.
- Q18387732 wikiPageWikiLink Q205034.
- Q18387732 wikiPageWikiLink Q3410566.
- Q18387732 wikiPageWikiLink Q4057258.
- Q18387732 wikiPageWikiLink Q4213.
- Q18387732 wikiPageWikiLink Q53875.
- Q18387732 wikiPageWikiLink Q6002837.
- Q18387732 wikiPageWikiLink Q6135934.
- Q18387732 wikiPageWikiLink Q62912.
- Q18387732 wikiPageWikiLink Q7512115.
- Q18387732 wikiPageWikiLink Q8826767.
- Q18387732 comment "The permanent adjustments of theodolites are made to establish fixed relationship between the instrument's fundamental lines. The fundamental lines or axis of a transit theodolite include the following:- Vertical axis Axis of plate levels Axis of telescope Line of collimation Horizontal axis Axis of altitude bubbleThese adjustments once made last for a long time. These are important for accuracy of observations taken from the instrument.".
- Q18387732 label "Permanent adjustments of theodolites".