A theodolite (/ θiˈɒdəˌlaɪt /) [1] is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes.

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 …

May 10, 2025 · 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 …

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May 6, 2025 · 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 …

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 …

Aug 12, 2025 · Theodolite operation is based on the exact measurement of angles and their geometry. This is a crucial instrument for surveying, engineering, and building since it enables …

Dec 19, 2025 · A theodolite is a precision optical instrument engineered for the highly accurate measurement of angles in both the horizontal and vertical planes. This instrument is …

Nov 8, 2024 · 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 …

The theodolite is an instrument that can measure both horizontal and vertical angles, which allows surveyors to “triangulate” the position of objects in a specific area.