alidade


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Related to alidade: telescopic alidade

alidade

(al -ă-dayd) See astrolabe.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

alidade

[′al·ə‚dād]
(engineering)
An instrument for topographic surveying and mapping by the plane-table method.
Any sighting device employed for angular measurement.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

alidade

The part of a surveying instrument which consists of a sighting device, with index, and reading or recording accessories.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
An alidade is mounted in an excavated hole close to the axis and carries a chord rule jointed to its other end.
From Figure 3, the rule, on the left, should be placed over the rete on the front of the astrolabe, and the alidade, on the right, should be placed over the back of the astrolabe.
Essa tend encia a simulacao, se por um lado de grande aceitacao popular, por outro comeca a construir a percepcao que associaria os materiais plasticos em geral a conceitos que tendem ao depreciativo, como falsidade, copia, artifici alidade, inferior idade, engan acao, ma quali dade e b aixo valor.
The basic structure of the telescope consists of the rotating lower section, known as the alidade, and the tipping structure, which tilts within it.
Sill, Oklahoma, where they both trained as artillery officers, Jones just couldn't get the hang of shooting his rifle using an alidade, a telescopic site used for determining direction.
Transits consist of three basic parts: an alidade (the upper part of the surveying instrument); horizontal and vertical circles; and a leveling head.
Dickmann, USN, retired (USNA; MEng, Catholic University of America), is an operations analyst for Alidade Consulting.
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.
For detailed survey plane tables of Morinoni and Kraft trademarks has been used, fitted with peep-sight alidade, first with diopter, later with a telescope.
When I see smoke, I line it up on the alidade table and get a line of sight on it.