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In a network of fourteen cities a total of 53 triangulation measurements were made. In his calculations Snellius made use of a solution for what is now called the Snellius–Pothenot problem. Snellius' Triangulation (1615) By necessity Snellius's high points were nearly all church spires. There were hardly any other tall buildings at that time ...
Map all coordinates in "Category:Triangular buildings" using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates) GPX (primary coordinates)
Triangulation today is used for many purposes, including surveying, navigation, metrology, astrometry, binocular vision, model rocketry and, in the military, the gun direction, the trajectory and distribution of fire power of weapons. The use of triangles to estimate distances dates to antiquity.
Illustration from an edition of 1726 Gemma Frisius's 1533 proposal to use triangulation for mapmaking Nineteenth-century triangulation network for the triangulation of Rhineland-Hesse. Triangulation today is used for many purposes, including surveying, navigation, metrology, astrometry, binocular vision, model rocketry and gun direction of weapons.
Some people are even willing to travel halfway around the world just to feast their eyes on famous structures. France’s Eiffel Tower, for example, has attracted close to 300 million visitors ...
The Principal Triangulation of Britain was the first high-precision triangulation survey of the whole of Great Britain and Ireland, carried out between 1791 and 1853 under the auspices of the Board of Ordnance. The aim of the survey was to establish precise geographical coordinates of almost 300 significant landmarks which could be used as the ...
The Eiffel Tower, measuring 1,083 ft (330 m) from base to tip, is perhaps the most famous example of a lattice tower. It was built in 1889, and was the tallest man-made structure in the world until 1930. A lattice tower or truss tower is a freestanding vertical framework tower.
Robert Maillart, c. 1925. Robert Maillart (16 February 1872 – 5 April 1940) was a Swiss civil engineer who revolutionized the use of structural reinforced concrete with such designs as the three-hinged arch and the deck-stiffened arch for bridges, and the beamless floor slab and mushroom ceiling for industrial buildings.