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theodolite    
n. 经纬仪

经纬仪

theodolite
n 1: a surveying instrument for measuring horizontal and
vertical angles, consisting of a small telescope mounted on
a tripod [synonym: {theodolite}, {transit}]

Theodolite \The*od"o*lite\, n. [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.
[1913 Webster]

Note: 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 both on vertical and horizontal axes, the
former carrying a vernier plate on a horizontal
graduated plate or circle for azimuthal angles, and the
latter a vertical graduated arc or semicircle for
altitudes. The whole is furnished with levels and
adjusting screws and mounted on a tripod.
[1913 Webster]


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  • Theodolite - Wikipedia
    A direct-readout theodolite, manufactured in the Soviet Union in 1958 and used for topographic surveying A theodolite ( θ i ˈ ɒ d ə ˌ l aɪ t ) [1] is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes
  • Theodolites | How Does a Theodolite Work - Johnson Level
    How Does a Theodolite Work? A theodolite works by combining optical plummets (or plumb bobs), a spirit (bubble level), and graduated circles to find vertical and horizontal angles in surveying An optical plummet ensures the theodolite is placed as close to exactly vertical above the survey point
  • What is Theodolite? Uses of theodolite in surveying
    Theodolite is a measurement instrument utilized in surveying to determine horizontal and vertical angles with the tiny low telescope that may move within the horizontal and vertical planes
  • What is the difference between a Total Station and a Theodolite?
    The main difference between a total station and a theodolite is that total stations have inbuilt electronic distance measurers (EDMs), and a theodolite is not able to measure distances electronically
  • Theodolite: Types, Advantages, and Uses in Surveying
    A theodolite is a precision instrument used in surveying and engineering to measure horizontal and vertical angles It plays a crucial role in construction, topographic surveys, and mapping by helping surveyors establish precise locations and angles on the earth’s surface
  • Theodolites, Land Surveying Theodolites, Land Surveying Instruments . . .
    A theodolite is a surveying instrument that dates back to the 16th Century, and it’s used to measure horizontal and vertical angles Modern theodolites have a telescope that can be mounted to a swivel (which can move both horizontally and vertically), and the crosshairs allow you to make accurate alignments with the target object
  • Theodolite | Angle Measurement, Surveying Navigation | Britannica
    Theodolite, basic surveying instrument of unknown origin but going back to the 16th-century English mathematician Leonard Digges; it is used to measure horizontal and vertical angles In its modern form it consists of a telescope mounted to swivel both horizontally and vertically
  • What is a theodolite, and what are its applications?
    A theodolite is a highly accurate surveying instrument used to measure angles in the horizontal and vertical planes It consists of a small telescope mounted on a base that can be rotated in both directions
  • Theodolite Surveying | Parts, Uses, Types, Classification
    In survey, a theodolite is an instrument mounted with a moveable telescope, used for precise measurements of horizontal and vertical angles It can completely rotate along the horizontal plane and its telescope can be rotated up to 180°
  • What is Theodolite Survey: Know Definition, Methods, Uses
    A theodolite survey is a method used to measure highly accurate horizontal and vertical angles, distances and elevations with precision This technology has developed over centuries, evolving into an increasingly dependable and accurate method





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