Surveying
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?

Measuring angles to the point from at least two stations
Measuring angle and distance from one transit station
Measuring distance from two points on traverse line
Measuring angle at one station and distance from other

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Surveying
The error due to eccentricity of inner and outer axes can be eliminated by

taking mean of several readings distributed over different portions of the graduated circle
double sighting
taking both face observations and taking the mean of the two
reading both verniers and taking the mean of the two

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