Surveying
The latitude of the observer's position, is

Declination of the observer's zenith
All listed here
Angular distance along the observer's meridian between equator and the observer
Elevation of the elevated pole

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Surveying
Theodolite is an instrument used for

measurement of vertical angles only
measurement of horizontal angles only
measurement of both horizontal and vertical angles
tightening the capstan-headed nuts of level tube

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