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alidade::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | alidad |
| Type of | surveying instrument, surveyor's instrument |
alidade::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | alidad |
| Type of | surveying instrument, surveyor's instrument |
Examples of alidade
alidade
Alidade E is a representation of a very interesting design by Johannes Hevelius.
From the en.wikipedia.org
The alidade was free to rotate about a pin through the centre of the instrument.
From the en.wikipedia.org
The sole purpose of the spokes was to support the pivot point for the alidade.
From the en.wikipedia.org
Alidade B in the diagram shows a straight,flat bar with a vane at either end.
From the en.wikipedia.org
In the image, Elisabetha is aligning the instrument while Johannes sets the alidade.
From the en.wikipedia.org
An alidade can be seen in the lower right illustration of the Persian astrolabe above.
From the en.wikipedia.org
The alidade was originally a part of many types of scientific and astronomical instrument.
From the en.wikipedia.org
There may also be a pointer or pointers on the alidade to indicate a position on a scale.
From the en.wikipedia.org
To use the alidade, the user sights an object and lines it up with the wires in each vane.
From the en.wikipedia.org
- Surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
- Surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
- An alidade (archaic forms include alhidade, alhidad, alidad) is a device that allows one to sight a distant object and use the line of sight to perform a task. ...
- An optical surveyor's instrument used in the field to create topographic maps and top plans. Today alidades are being replaced by Total Stations.
- A surveying instrument consisting of a sighting device and a scaled rule. Often used in conjunction with a plane table, the relative position of objects is determined by triangulation.
- That part of a surveying instrument which consists of a sighting device and index, with accessories for reading and recording data. ...
- Instrument, or part of an instrument , for determining direction , either horizontal or vertical . In its simplest form, a peepsight or telescope mounted on a straightedge and used for plotting directions graphically. ...
- A sighting device used by lookouts to determine the horizontal bearing and sometimes the vertical angle of a fire from a lookout
- The horizontal plate in a transit which carries the verniers, the level bulbs, and the standards, and which revolves about the graduated limb: an attachment on many instruments for measuring angles. A straight edge, having a telescope mounted thereon, used in plane table surveying.
