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  1. Theodolite - Wikipedia

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

  2. Surveying - Theodolite, Measurement, Accuracy | Britannica

    Nov 4, 2025 · The theodolite consists of a telescope pivoted around horizontal and vertical axes so that it can measure both horizontal and vertical angles. These angles are read from circles graduated in …

  3. Theodolite: Types, Advantages, and Uses in Surveying

    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 surveys, and …

  4. 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 …

  5. Amazon.com: Theodolite

    1-48 of 118 results for "theodolite" Results Check each product page for other buying options. Price and other details may vary based on product size and color.

  6. Theodolite | NGS Facts | NGS INFO - About Us | National Geodetic …

    The theodolite was used to measure horizontal and vertical angles, and it remained the backbone of geodetic surveys from the 1800s until the early 1980s. Basic use of a theodolite required that the …

  7. Theodolites, Land Surveying Theodolites, Land Surveying Instruments ...

    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.

  8. What is Theodolite? Definition, Types and Uses and Application

    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 precise …

  9. History, Function and Legacy of Theodolites - Stable MARK

    A theodolite is a precision instrument used to measure horizontal and vertical angles in surveying, engineering, and navigation. It consists of a telescope mounted on a rotating base, allowing users to …

  10. Theodolite - Mapping Around

    A theodolite is a precision optical instrument used in surveying and engineering to measure angles both in the horizontal and vertical planes. It consists of a telescope mounted on a movable base that can …