Surveying
The latitude of the observer's position, is

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

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Surveying
Theodolite is an instrument used for

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

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