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He married his cousin
Margaretta Beaufoy (died 1800) in a 1784 "runaway" marriage, after which they had a "long sojurn" in Switzerland. They had three sons (Henry, Mark and George) and a daughter; Margaretta took the infant girl Henriette to watch Mark ascend Mont Blanc. She assisted him with
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At last, however, but with a sort of apathy which scarcely admitted the sense of joy, we reached the summit of the mountain; when six of my guides, and with them my servant, threw themselves on their faces and were immediately asleep. I envied them their repose; but my anxiety to obtain a good
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was based on 23 different hull forms tested for their resistance to rolling. The article includes an illustration of his apparatus showing a hull form being subjected to a controlled heeling force with a plumb bob and scale to measure the inclination. The various tables of results show the
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was published posthumously by his son Henry in 1834 (one volume only, called Volume I). Beaufoy also made astronomical observations and advocated other ideas like rifles in the militia and schemes for reaching the
131:. This volume challenged the existing orthodoxy that the resistance to motion of a vessel was in proportion to her displacement. Chapman had challenged this earlier (1775), but Beaufoy's work was taken up by
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as the "square-cube" law. Simply put, if a vessel is doubled in size the resistance to motion quadruples, but the size of engines and the carrying capacity (fuel, cargo) increase eight-fold.
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with James Scott and
Captain John Luard of the "Society for the Improvement in Naval Architecture". He published the results of his work in one of the leading scientific journals of the day,
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35:(4 March 1764 – 4 May 1827) was an English astronomer and physicist, mountaineer, explorer and British Army officer. His father, Mark Beaufoy (1718–1782), who was originally from
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and the resistance to motion both in air and water of different shapes. The paper moved from ship sails to considering the best angle for
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discusses the related
Thornhill & Beaufoy families and the social changes in Victorian England following the industrial revolution.
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285:"Description of an Instrument to measure and register the Rise and Fall of the Tide throughout the whole Flow and Ebb"
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91:. In 1815 he described a recording tide meter, and in the same article went on to describe the power of the wind on
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for the "vexatious and frivolous" disciplining of a junior officer and was relieved of his command in
January 1814.
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of the 1st
Regiment of Tower Hamlets Militia in 1797. However, in October 1813 he was
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In 1816 Beaufoy published another extensive article based on his experimental work.
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He was the first-known
English climber to make an ascent of a high mountain in the
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119:. The dichotomy between resistance to rolling and sea keeping is discussed.
337:, vol. I, South Lambeth, Surrey, UK: Privately published by the editor
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A Georgian heroine: the intriguing life of Rachel
Charlotte Williams Biggs
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sails to be set. He supplied
Astronomical and Magnetic observations from
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Nautical and
Hydraulic Experiments, with numerous Scientific Miscellanies
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Nautical and
Hydraulic Experiments with Numerous Scientific Miscellanies
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For his grandson, the English vinegar manufacturer and politician, see
319:, vol. VII, no. XXXIX, London: Robert Baldwin, pp 184 – 204
293:, vol. VI, no. XXXIV, London: Robert Baldwin, pp 273 – 281
58:. This mountain was an attraction to his fellow countrymen, such as
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observation for the latitude, subdued my wishes for indulgence.
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He devoted much of his life to naval experiments at the
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The Dispossessed: An Aspect of Victorian Social History
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Only the first of a planned three volumes was published
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History of Engineering and Technology: Artful Methods
74:(1828–1912). He describes his ascent of Mont Blanc:
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457:Major, Joanne; Murden, Sarah (27 November 2017),
527:British Army personnel who were court-martialled
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366:. Vol. 04. London: Smith, Elder & Co.
146:of the Hackney Volunteer Company in 1794 and
54:. In 1787, he made an ascent (the fourth) of
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331:Beaufoy, Mark (1834), Beaufoy, Henry (ed.),
139:mathematical and astronomical calculations.
444:(online ed.). Oxford University Press.
395:A Philosophical and Mathematical Dictionary
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441:Oxford Dictionary of National Biography
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103:(51°32‘40“N, 6.82“W) for many issues.
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432:McConnell, Anita (January 2008) .
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391:"English observatories (private)"
522:19th-century British astronomers
507:18th-century British astronomers
363:Dictionary of National Biography
16:English astronomer and physicist
279:Beaufoy, Mark (October 1815),
1:
311:"On the Stability of Vessels"
517:Fellows of the Royal Society
450:UK public library membership
305:Beaufoy, Mark (March 1816),
463:, Pen & Sword History,
435:"Beaufoy, Mark (1764–1827)"
375:(2nd ed.), CRC Press,
371:Garrison, Ervan G. (1998),
112:On the Stability of Vessels
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397:, vol. 2, p. 129
350:Clerke, Agnes Mar (1885).
18:
497:English mountain climbers
142:Beaufoy was commissioned
512:British marine engineers
502:British Militia officers
389:Hutton, Charles (1815),
89:The Annals of Philosophy
263:Major & Murden 2017
133:Isambard Kingdom Brunel
417:, London: John Baker,
409:Kerr, Barbara (1974),
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353:"Beaufoy, Mark"
316:Annals of Philosophy
290:Annals of Philosophy
159:Mark Hanbury Beaufoy
70:(1818–1889) and Sir
21:Mark Hanbury Beaufoy
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105:Charles Hutton
85:Greenland Dock
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273:Bibliography
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239:Beaufoy 1816
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93:square sails
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72:Alfred Wills
64:A. T. Malkin
60:J. D. Forbes
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30:Mark Beaufoy
29:
27:
25:
492:1827 deaths
487:1764 births
341:1 September
323:28 December
297:24 December
227:Hutton 1815
43:factory in
481:Categories
452:required.)
165:References
129:North Pole
117:metacentre
56:Mont Blanc
47:, London.
401:9 January
122:A volume
68:John Ball
97:windmill
28:Colonel
360:(ed.).
309:(ed.),
283:(ed.),
148:Colonel
144:Captain
45:Lambeth
41:vinegar
37:Evesham
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356:. In
465:ISBN
419:ISBN
403:2018
377:ISBN
343:2020
325:2014
299:2014
52:Alps
33:FRS
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