triangulation

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Introduction References & Edit History Related Topics

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Art History: The Origins of 7 of Your Favorite Art Supplies

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History of Technology Timeline

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How Does Wi-Fi Work?

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

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Water Fluoridation: Just the Facts

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Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

6 Animals We Ate Into Extinction

Gutzon Borglum. Presidents. Sculpture. National park. George Washington. Thomas Jefferson. Theodore Roosevelt. Abraham Lincoln. Mount Rushmore National Memorial, South Dakota.

9 Memorials and Monuments in the United States

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

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7 of the World’s Deadliest Plants

triangulation: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

trilateration surveying cartography photogrammetry projection map Ordnance Survey International magnetic compass GIS hydrography atlas theodolite surveyor’s level

Key People

Clarke, Alexander Ross

Alexander Ross Clarke

British geodesist