1) Optical device 2) Surveying instrument 3) Transit
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https://www.crosswordclues.com/clue/theodolite
1) Tacheometer 2) Tachymeter 3) Transit
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https://www.crosswordclues.com/clue/theodolite
A theodolite t is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes in fields like meteorology and rocket launch technology. A modern theodolite consists of a movable telescope mounted within two perpendicular axe...
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http://en.wikipedia.org/wiki/Theodolite
surveying instrument for measuring angles
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http://phrontistery.info/t.html
• (n.) An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed.
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http://thinkexist.com/dictionary/meaning/theodolite/
basic surveying instrument of unknown origin but going back to the 16th-century English mathematician Leonard Digges; it is used to measure ... [3 related articles]
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http://www.britannica.com/eb/a-z/t/34
a precision instrument for measuring angles to vertical and horizontal planes. Consists in its most basic form, of a telescope which can rotate horizontally and vertically allowing readings to be taken fro m a calibrated circle. The instrument has to be centred over a ...
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http://www.encyclo.co.uk/local/20935
An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed. ... The theodolite consists principally of a telescope, with cross wires in the focus of its object glass, clamped in Y's attached to a frame that is mounted so as to turn ...
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http://www.encyclo.co.uk/local/20973
Surveying instrument for measuring vertical and horizontal angles, invented in 1571 by a British mathematician, Thomas Digges, but developed by engineer Jesse Ramsden c.1790. It incorporates a small telescope which moves horizontally and vertically, and often a magnifying lens and spirit level.
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http://www.encyclo.co.uk/visitor-contributions.php
The·od'o·lite noun [ Probably a corruption of
the alidade . See
Alidade .] An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed. » The theodolite consists prin...
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http://www.encyclo.co.uk/webster/T/40
A theodolite is an instrument used in surveying for measuring horizontal and vertical angles.
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http://www.probertencyclopaedia.com/browse/GT.HTM
[
n] - a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
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http://www.webdictionary.co.uk/definition.php?query=theodolite
an optical instrument used to visually track a radiosonde balloon and determine its bearing and elevation while in flight.
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https://nsidc.org/cryosphere/glossary?page=26
A theodolite is an instrument used in surveying for measuring horizontal and vertical angles.
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https://www.encyclo.co.uk/local/20687
transit noun a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
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https://www.encyclo.co.uk/local/20974
Instrument for the measurement of horizontal and vertical angles, used in surveying. It consists of a small telescope mounted so as to move on two graduated circles, one horizontal and the other vertical, while its axes pass through the centre of the circles. See also triangulation
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https://www.encyclo.co.uk/local/21221
[Obscure words] a surveying instrument for measuring angles
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https://www.vocabulary.com/lists/2365341
No exact match found.
