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The-Theodolite-&-Theodolite-Traversing

To measure a vertical angle, instrument should be levelled with reference to line of sight.


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This Chapter The-Theodolite-&-Theodolite-Traversing consists of the following topics

The method of repetition is used when it is required to lay off an angle with greater precision than that possible by single observations.

To measure a vertical angle, instrument should be levelled with reference to line of sight.

Which of the following errors can be eliminated by a method of repetition?
i) errors due to eccentricity.
ii) errors due to in adjustments of line of collimation.
iii) error due to inaccurate graduations.
iv) error due to inaccurate bisection of the object.

To measure a vertical angle

the instrument should be levelled with reference to the line of sight.

The Theodolite & Theodolite Traversing

Surveying