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Alidade vs Theodolite - What's the difference?

alidade | theodolite |

As nouns the difference between alidade and theodolite

is that alidade is a sighting device used for measuring angles while theodolite is a surveying instrument, consisting of a small mounted telescope, used to measure horizontal and vertical angles.

alidade

English

Alternative forms

* alhidade, alhidad, alidad (all obsolete)

Noun

(en noun)
  • (cartography, astronomy, surveying) A sighting device used for measuring angles.

    • Synonyms

    * turning board, diopter (obsolete)

    External links

    * (wikipedia "alidade") ----

    theodolite

    English

    Noun

    (en noun) (wikipedia theodolite)
  • A surveying instrument, consisting of a small mounted telescope, used to measure horizontal and vertical angles.

    • See also

    *tribrach English terms with unknown etymologies