what is theodolite?

A theodolite  is a precision instrument for measuring angles  in the horizontal and vertical planes. Theodolites are mainly used for  surveying applications, and have been adapted for specialized purposes in fields like metrology. A modern theodolite consists of a movable telescope mounted within two perpendicular axes — the horizontal  or trunnion  axis, and the vertical axis. When the telescope is pointed at a target object, the angle of each of these axes can be measured with great precision, typically to seconds of arc.

Comments

  1. Good definition. I also used your Theodolites image , which is very nice . I myself work with survey & other instruments

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  2. Very correct definition!! While working myself with different survey instruments like Theodolites , alignment telescope , Sight level , Total Station for couple of decades its quite refreshing. Thank you

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  3. Excellent work

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