alidade


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Related to alidade: 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 ?
The other rule is the alidade with sights and a slit on its lower end for the chord rule.
Two tabs fold out of the edges of the alidade to act as a sight.
Radiation Systems fabricated the alidade at its plant in Mexia, Texas, and then measured it in the summer heat.
Harvey would take me out on the drill field and help me learn how to use the alidade.
Theodolites are precision surveying instruments constructed of an alidade with a telescope mounted on a graduated circle, equipped with levels and reading devices.
As a civilian, he is the president and chief executive officer of Alidade Consulting, a defense consulting service on future warfare concepts and transformation.
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.
Among the other time- and money-saving features of the system are its battery level indicator; power-saving auto-cutoff; audible right-angle indication; percent of grade display; easy zero reset of the horizontal angle; horizontal angle hold; optical plummet in alidade for precise positioning; zero countdown for angles, distances and elevations to ease stake out operations; remote distance measurement in both radial and continuous modes; automatic earth curvature and refraction compensation; and a two-point-resection program for computing the occupied station coordinates.
The New Map Game, also co-organized by Alidade Incorporated, explored rule sets and rule set gaps in the fourth wave of globalization.
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.