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between the points and the direction from one point to another. Doubts were cast on the accuracy of the measurements in 1812, when Joseph
Rodriguez pointed out that, if they were accurate, the length of a degree of longitude did not vary with latitude as it should if the earth were flattened at the poles. The
598:
The encyclopædia of geography: comprising a complete description of the earth, physical, statistical, civil, and political; exhibiting its relation to the heavenly bodies, its physical structure, the natural history of each country, and the industry, commerce, political institutions, and civil and
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that began in 1935 again took
Dunnose as a base point. Dunnose also was the origin (meridian) of the 6 inch and 1:2500 Ordnance Survey maps for the central group of English counties: they were Derbyshire, Nottinghamshire, Lincolnshire, Staffordshire, Warwickshire, Worcestershire, Leicestershire,
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measured a section of the meridional arc running up into
Yorkshire. The triangulation was conducted in 1801 and 1802. The positions of twenty three points between Dunnose and Beacon Hill, Clifton, near Doncaster, were determined, and the closest possible measurements were made of the distances
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in the
English Channel. The headland is visible from well out to sea, and is used in navigation. It has twice been used as the base point for a triangulation of Great Britain. The line of accurately surveyed points running north from Dunnose to
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Rutlandshire, Northamptonshire, Gloucestershire, Oxfordshire, Buckinghamshire, Wiltshire, Berkshire, Hampshire and the Isle of Wight.
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502:
595:; Wallace, William; Jameson, Robert; Jackson Hooker, Sir William; Swainson, William; Bradford, Thomas Gamaliel (1837).
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The survey point was marked by an iron gun sunk into the ground on the summit of
Shanklin Down, near the village of
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to the southeast has a rocky bottom and can be hazardous, since the charts may not show all the submerged rocks.
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37:
592:
153:
302:
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An account of the operations carried out for accomplishing a trigonometrical survey of
England and Wales ...
527:"Capt. Kater's experiments for determining the variation in the length of the pendulum vibrating seconds."
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Around 1800 Dunnose was taken as a base point for a triangulation of Great
Britain, in which Captain
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provide the basis for triangulation to determine the positions of all other locations in
Britain.
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348:. Dunnose is actually the next projecting point to the south of Shanklin Down.
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Great
Britain Ordnance Survey. Printed by W. Bulmer and co. for W. Faden
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https://www.charlesclosesociety.org/files/153Meridians.pdf
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16:For the community on the Falkland islands, see
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555:The Edinburgh Review, Or Critical Journal
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573:; Dalby, Isaac; Colby, Thomas (1799).
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42:Luccombe Down - The view over Dunnose
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602:. Carey, Lea and Blanchard. p.
290:Dunnose Point lies to the east of
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507:Mysterious Britain & Ireland
320:Retriangulation of Great Britain
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557:. Longmans, Green & Company
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629:Headlands of the Isle of Wight
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404:Mudge, Dalby & Colby 1799
392:Mudge, Dalby & Colby 1799
368:Dunnose Point - Mysterious..
599:social state of all nations
25:Human settlement in England
18:Dunnose Head, West Falkland
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533:. Royal Society of London
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35:
457:26 October 2016 at the
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223:50.604965°N 1.191094°W
104:Ceremonial county
86:Unitary authority
474:Bruce, Peter (1987).
303:St. Catherine's Point
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551:"Kater on Pendulums"
523:Kater, Captain Henry
327:Notes and references
286:The beach at Dunnose
228:50.604965; -1.191094
154:Sovereign state
73:Location within the
219: /
428:Murray et al. 1837
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164:UK Parliament
547:Kater, Captain H.
487:978-1-871680-51-5
480:. Boldre Marine.
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509:. 30 July 2008
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607:. Retrieved
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609:7 February
583:7 February
561:8 February
537:8 February
513:7 February
493:8 February
440:Kater 1820
416:Kater 1819
380:Bruce 1987
211:50°36′18″N
130:South East
356:Citations
254:Yorkshire
214:1°11′28″W
623:Category
549:(1820).
525:(1819).
455:Archived
346:Shanklin
298:Eurydice
278:Location
269:SM
467:Sources
292:Ventnor
264:German
260:History
250:Clifton
241:Dunnose
195:England
146:England
140:Country
67:Dunnose
31:Dunnose
484:
266:U-boat
122:Region
332:Notes
271:UB-81
611:2013
585:2013
563:2013
539:2013
515:2013
495:2013
482:ISBN
296:HMS
604:141
252:in
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190:UK
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
