alidade

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Related to alidades: telescopic alidade

alidade

(al -ă-dayd) See astrolabe.

alidade

[′al·ə‚dād]
(engineering)
An instrument for topographic surveying and mapping by the plane-table method.
Any sighting device employed for angular measurement.

alidade

The part of a surveying instrument which consists of a sighting device, with index, and reading or recording accessories.
References in periodicals archive ?
Il est compose d'une lunette fixe placee parallelement a un cercle mobile qui est diverse, et qui porte une alidade et des verniers comme le cercle repetiteur.
The Universe in Your Hands" will acquaint visitors with scientific tools, such as alidades and astrolabes used by astronomers in the Middle Ages.
No Brasil pouco se conhece sobre o Punhobol, uma mod alidade esportiva que se assemelha ao voleibol e ao handebol.