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- Mark_Beaufoy abstract "Colonel Mark Beaufoy FRS (1764–1827) was an English astronomer and physicist, mountaineer, explorer and British Army officer. His father, Mark Beaufoy (1718–1782), who was originally from Evesham, established a vinegar factory in Lambeth, London. According to the family tree on Ancestry.com, he was born 1764 March 4, died 1827 May 4.He was the first-known English climber to make an ascent of a high mountain in the Alps. In 1787, he made an ascent (the fourth) of Mont Blanc. This mountain was an attraction to his fellow countrymen, such as J. D. Forbes (1809–1868), A. T. Malkin (1803–1888), John Ball (1818–1889) and Sir Alfred Wills (1828–1912). He describes his ascent of Mont Blanc:\"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 observation for the latitude, subdued my wishes for indulgence.\"He devoted much of his life to naval experiments at the Greenland Dock 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, The Annals of Philosophy. In 1815 he described a recording tide meter, and in the same article went on to describe the power of the wind on square sails 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 windmill sails to be set. He supplied Astronomical and Magnetic observations from Hackney Wick (51°32‘40“N, 6.82“W) for many issues.In 1816 he published another extensive article based on his experimental work. On the Stability of Vessels 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 metacentre. The dichotomy between resistance to rolling and sea keeping is discussed.A volume Nautical and Hydraulic Experiments with Numerous Scientific Miscellanies 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 North Pole. 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 Isambard Kingdom Brunel 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.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 mathematical and astronomical calculations.Beaufoy was commissioned Captain of the Hackney Volunteer Company in 1794 and Colonel of the 1st Regiment of Tower Hamlets Militia in 1797. However, in October 1813 he was court-martialled for the \"vexatious and frivolous\" disciplining of a junior officer and was relieved of his command in January 1814.His grandson, Mark Hanbury Beaufoy, was an English vinegar manufacturer and politician. The family firm is now called British Vinegars Limited.".
- Mark_Beaufoy birthDate "1764".
- Mark_Beaufoy birthYear "1764".
- Mark_Beaufoy deathDate "1827".
- Mark_Beaufoy deathYear "1827".
- Mark_Beaufoy thumbnail Mark_Beaufoy.jpg?width=300.
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- Mark_Beaufoy wikiPageWikiLink Alfred_Wills.
- Mark_Beaufoy wikiPageWikiLink Annals_of_Philosophy.
- Mark_Beaufoy wikiPageWikiLink Arthur_Malkin.
- Mark_Beaufoy wikiPageWikiLink Captain_(armed_forces).
- Mark_Beaufoy wikiPageWikiLink Category:1764_births.
- Mark_Beaufoy wikiPageWikiLink Category:1827_deaths.
- Mark_Beaufoy wikiPageWikiLink Category:British_Militia_officers.
- Mark_Beaufoy wikiPageWikiLink Category:English_astronomers.
- Mark_Beaufoy wikiPageWikiLink Category:English_mountain_climbers.
- Mark_Beaufoy wikiPageWikiLink Category:Fellows_of_the_Royal_Society.
- Mark_Beaufoy wikiPageWikiLink Category:Naval_architects.
- Mark_Beaufoy wikiPageWikiLink Colonel.
- Mark_Beaufoy wikiPageWikiLink Court-martial.
- Mark_Beaufoy wikiPageWikiLink Evesham.
- Mark_Beaufoy wikiPageWikiLink Exploration_of_the_High_Alps.
- Mark_Beaufoy wikiPageWikiLink Greenland_Dock.
- Mark_Beaufoy wikiPageWikiLink Hackney_Wick.
- Mark_Beaufoy wikiPageWikiLink Isambard_Kingdom_Brunel.
- Mark_Beaufoy wikiPageWikiLink James_David_Forbes.
- Mark_Beaufoy wikiPageWikiLink John_Ball_(naturalist).
- Mark_Beaufoy wikiPageWikiLink Lambeth.
- Mark_Beaufoy wikiPageWikiLink Mark_Hanbury_Beaufoy.
- Mark_Beaufoy wikiPageWikiLink Metacentric_height.
- Mark_Beaufoy wikiPageWikiLink Mont_Blanc.
- Mark_Beaufoy wikiPageWikiLink North_Pole.
- Mark_Beaufoy wikiPageWikiLink Royal_Society.
- Mark_Beaufoy wikiPageWikiLink Square_rig.
- Mark_Beaufoy wikiPageWikiLink Vinegar.
- Mark_Beaufoy wikiPageWikiLink Windmill.
- Mark_Beaufoy wikiPageWikiLink File:Mark_Beaufoy.jpg.
- Mark_Beaufoy wikiPageWikiLinkText "Beaufoy".
- Mark_Beaufoy wikiPageWikiLinkText "Mark Beaufoy".
- Mark_Beaufoy dateOfBirth "1764".
- Mark_Beaufoy dateOfDeath "1827".
- Mark_Beaufoy name "Beaufoy, Mark".
- Mark_Beaufoy shortDescription "British astronomer".
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- Mark_Beaufoy description "British astronomer".
- Mark_Beaufoy description "British astronomer".
- Mark_Beaufoy subject Category:1764_births.
- Mark_Beaufoy subject Category:1827_deaths.
- Mark_Beaufoy subject Category:British_Militia_officers.
- Mark_Beaufoy subject Category:English_astronomers.
- Mark_Beaufoy subject Category:English_mountain_climbers.
- Mark_Beaufoy subject Category:Fellows_of_the_Royal_Society.
- Mark_Beaufoy subject Category:Naval_architects.
- Mark_Beaufoy hypernym Astronomer.
- Mark_Beaufoy type Agent.
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- Mark_Beaufoy type Occupation.
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- Mark_Beaufoy type Q215627.
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- Mark_Beaufoy comment "Colonel Mark Beaufoy FRS (1764–1827) was an English astronomer and physicist, mountaineer, explorer and British Army officer. His father, Mark Beaufoy (1718–1782), who was originally from Evesham, established a vinegar factory in Lambeth, London. According to the family tree on Ancestry.com, he was born 1764 March 4, died 1827 May 4.He was the first-known English climber to make an ascent of a high mountain in the Alps. In 1787, he made an ascent (the fourth) of Mont Blanc.".
- Mark_Beaufoy label "Mark Beaufoy".
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- Mark_Beaufoy wasDerivedFrom Mark_Beaufoy?oldid=681685300.
- Mark_Beaufoy depiction Mark_Beaufoy.jpg.
- Mark_Beaufoy givenName "Mark".
- Mark_Beaufoy isPrimaryTopicOf Mark_Beaufoy.
- Mark_Beaufoy name "Beaufoy, Mark".
- Mark_Beaufoy name "Mark Beaufoy".
- Mark_Beaufoy surname "Beaufoy".