• 5 mi) wide, rising to 1,035 metres (3,396 ft) between Misty Pass and Theodolite Hill, Trinity Peninsula, Antarctica. The plateau rises south of Schmidt...
    9 KB (1,285 words) - 16:37, 24 June 2024
  • Thumbnail for Duse Bay
    Duse Bay (redirect from Skomlya Hill)
    ending in View Point. Situated 8.95 kilometres (5.56 mi) southeast of Theodolite Hill and 6.79 kilometres (4.22 mi) west of View Point. Named after the settlement...
    8 KB (1,030 words) - 14:52, 19 July 2024
  • Thumbnail for Surveying
    They use equipment, such as total stations, robotic total stations, theodolites, GNSS receivers, retroreflectors, 3D scanners, lidar sensors, radios...
    57 KB (7,269 words) - 18:09, 25 September 2024
  • Thumbnail for Tacheometry
    relative to one another are determined using a tacheometer (a form of theodolite). It is used without a chain or tape for distance measurement and without...
    5 KB (768 words) - 15:50, 25 September 2024
  • apparatus. Survey Lab: The survey lab has a collection of transit theodolites, electronic theodolite, dumpy levels, engineering chains, measuring tapes, plane...
    27 KB (2,751 words) - 18:51, 4 October 2024
  • Thumbnail for Black Hill (Peak District)
    Soldiers' Lump. According to Wainwright the support timbers for the Ramsden theodolite, used by the Royal Engineers in the original Ordnance Survey which began...
    4 KB (459 words) - 18:28, 19 July 2024
  • Thumbnail for Tripod (surveying)
    used to support any one of a number of surveying instruments, such as theodolites, total stations, levels or transits. The modern sturdy, but portable...
    4 KB (642 words) - 20:51, 20 December 2022
  • called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric rangefinding. The...
    3 KB (373 words) - 09:15, 13 November 2023
  • Thumbnail for Principal Triangulation of Great Britain
    The theodolite was the largest ever constructed but, despite its massive size, it was carried from London to the Channel coast and employed on hills, steeples...
    18 KB (2,181 words) - 10:48, 8 August 2024
  • Thumbnail for The Crystal Palace
    positions for the cast iron columns; these points were then set precisely by theodolite measurements. Then the concrete foundations were poured, and the base...
    87 KB (10,441 words) - 18:56, 2 October 2024
  • Thumbnail for Reticle
    eyepiece of an optical device such as a telescopic sight, spotting scope, theodolite, optical microscope or the screen of an oscilloscope, to provide measurement...
    15 KB (1,731 words) - 23:21, 21 August 2024
  • Thumbnail for Azimuth
    meanings. Normal-section azimuth is the angle measured at our viewpoint by a theodolite whose axis is perpendicular to the surface of the spheroid; geodetic azimuth...
    14 KB (1,766 words) - 01:58, 25 September 2024
  • Thumbnail for George Mallory
    read 26,800 ft (8,169 m), a height later rectified and confirmed by a theodolite as 26,980 ft (8,225 m), a new world altitude record. They began their...
    229 KB (24,857 words) - 02:42, 14 October 2024
  • Thumbnail for Vernier scale
    micrometers to measure to fine tolerances, on sextants for navigation, on theodolites in surveying, and generally on scientific instruments. The Vernier principle...
    13 KB (1,638 words) - 19:04, 27 June 2024
  • Thumbnail for Scafell Pike
    corner of a Principal Triangle. The Ordnance Survey's high precision theodolite was not taken to the summit until 1841. (Scroll left or right) As the...
    23 KB (2,560 words) - 19:05, 18 August 2024
  • Thumbnail for Great Trigonometrical Survey
    bulky theodolites made by William Carey, a zenith sector made by Jesse Ramsden, and 100-foot (30 m) chains. Later surveys used more compact theodolites. Accurate...
    13 KB (1,316 words) - 08:11, 6 September 2024
  • Thumbnail for Triangulation station
    metal plate on the top of a pillar may provide a mounting point for a theodolite or reflector, often using some form of kinematic coupling to ensure reproducible...
    15 KB (1,722 words) - 00:50, 26 September 2024
  • rough terrain thereafter serving as the reference line for instrumental (theodolite) triangulations. The rod as a survey measure was standardized by Edmund...
    30 KB (2,682 words) - 20:17, 17 August 2024
  • Thumbnail for GFZ German Research Centre for Geosciences
    on the Telegrafenberg hill. Exhibition 2017 (selection) Surveyor's wheel, London (around 1760) Historical universal theodolite, Pistor & Martins, Berlin...
    4 KB (404 words) - 08:30, 25 June 2024
  • Thumbnail for Severndroog Castle
    Greenwich Observatory with the Paris Observatory; a 36-inch (0.91 m) theodolite (now in London's Science Museum) was temporarily installed on its roof...
    6 KB (680 words) - 22:04, 8 August 2024
  • (1735–1800) was the British designer and producer of highly accurate sextants, theodolites and other instruments. Piazzi discovered Ceres using the Ramsden vertical...
    216 KB (435 words) - 07:30, 5 October 2024
  • Thumbnail for Retriangulation of Great Britain
    Reconnaissance of survey stations was commenced in 1935, using Tavistock theodolites to confirm the inter-visibility of stations. Survey of the triangulation...
    25 KB (3,015 words) - 09:19, 16 March 2024
  • were timber posts, only remnants of which survive, erected to support a theodolite which measured vertical and horizontal lines. At Townsville and Thursday...
    5 KB (557 words) - 10:14, 25 July 2021
  • curvature, curve setting can be easily done with the help of a transit or theodolite and a chain, tape, or rope of a prescribed length. The usual distance...
    7 KB (777 words) - 23:42, 24 September 2024
  • Thumbnail for Mount Everest
    Starting in southern India, the survey teams moved northward using giant theodolites, each weighing 500 kg (1,100 lb) and requiring 12 men to carry, to measure...
    270 KB (26,318 words) - 14:52, 12 October 2024
  • Thumbnail for Len Beadell
    about the technical aspects of astronomical sightings and how to use a theodolite. In 1938 with a group of six scouts, Richmond took Beadell to Lord Howe...
    19 KB (2,372 words) - 03:08, 8 February 2024
  • Thumbnail for Schiehallion experiment
    Schiehallion experiment (category Mountains and hills of Perth and Kinross)
    Allegheny Mountains, which had probably diverted the plumb lines of the theodolites and the liquids inside spirit levels. Prompted by this news, a further...
    32 KB (3,688 words) - 04:37, 27 August 2024
  • point under location using theodolites provides more accurate results, with trig beacons erected on high points and hills to enable quick and unambiguous...
    7 KB (982 words) - 14:44, 27 July 2023
  • Thumbnail for Great Exhibition
    S. Marratt exhibited a five-foot achromatic telescope and a transit theodolite used in surveying, tunnelling, and for astronomical purposes. Asprey exhibited...
    28 KB (2,829 words) - 20:17, 23 September 2024
  • Thumbnail for Jean-François de Galaup, comte de Lapérouse
    chronometers and the distance between the Moon and the Sun followed by theodolite triangulations or bearings taken from the ship, the same as those taken...
    56 KB (6,350 words) - 06:09, 13 October 2024