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Achille Brocot

Louis Achille Brocot (pronounced "broco"[1]) (11 July 1817 – 19 January 1878) was a French clockmaker[2] and amateur mathematician.[3]

He is known for his discovery (contemporaneously with, but independently of, German number theorist Moritz Stern) of the Stern–Brocot tree, a mathematical structure useful in approximating real numbers by rational numbers; this sort of approximation is an important part of the design of gear ratios for clocks.[4]

Several improvements in clock design were attributed to Brocot. He invented the "Brocot Suspension", which enabled time keeping to be regulated by altering the length of the pendulum suspension spring by a key turned in the dial.[1]

He also made many practical horological innovations including refinement of his father Louis-Gabriel's Brocot escapement and the development of clocks with perpetual calendar mechanisms.[5][6] In order to commercially exploit his original designs, together with Jean-Baptiste Delettrez he established the clockmaking company "Brocot & Delettrez" in Paris on 20 October 1851, a partnership that would continue until his death.

References

  1. ^ Phonetic blunder
  2. ^ Player, J. W. (ed.), Britten's Watch & Clock Makers' Handbook Dictionary & Guide (15th ed.), Taylor & Francis, p. 380.
  3. ^ Mansuy, Roger, Achille Brocot, mathématicien à ses heures (French), CultureMath.
  4. ^ Hayes, Brian (2008), "On the Teeth of Wheels", Group Theory in the Bedroom, and Other Mathematical Diversions, Hill and Wang.
  5. ^ Kirk, John G., The Brocots: A Dynasty of Horologers (PDF). Powerpoint presentation based on Chavigny (1991).
  6. ^ Chavigny, Richard (1991), Les Brocot: une dynastie d'horlogers (French), Antoine Simonin, ISBN 978-2-88175-003-8.

achille, brocot, louis, pronounced, broco, july, 1817, january, 1878, french, clockmaker, amateur, mathematician, known, discovery, contemporaneously, with, independently, german, number, theorist, moritz, stern, stern, brocot, tree, mathematical, structure, u. Louis Achille Brocot pronounced broco 1 11 July 1817 19 January 1878 was a French clockmaker 2 and amateur mathematician 3 He is known for his discovery contemporaneously with but independently of German number theorist Moritz Stern of the Stern Brocot tree a mathematical structure useful in approximating real numbers by rational numbers this sort of approximation is an important part of the design of gear ratios for clocks 4 Several improvements in clock design were attributed to Brocot He invented the Brocot Suspension which enabled time keeping to be regulated by altering the length of the pendulum suspension spring by a key turned in the dial 1 He also made many practical horological innovations including refinement of his father Louis Gabriel s Brocot escapement and the development of clocks with perpetual calendar mechanisms 5 6 In order to commercially exploit his original designs together with Jean Baptiste Delettrez he established the clockmaking company Brocot amp Delettrez in Paris on 20 October 1851 a partnership that would continue until his death References Edit Phonetic blunder Player J W ed Britten s Watch amp Clock Makers Handbook Dictionary amp Guide 15th ed Taylor amp Francis p 380 Mansuy Roger Achille Brocot mathematicien a ses heures French CultureMath Hayes Brian 2008 On the Teeth of Wheels Group Theory in the Bedroom and Other Mathematical Diversions Hill and Wang Kirk John G The Brocots A Dynasty of Horologers PDF Powerpoint presentation based on Chavigny 1991 Chavigny Richard 1991 Les Brocot une dynastie d horlogers French Antoine Simonin ISBN 978 2 88175 003 8 This article about a French mathematician is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Achille Brocot amp oldid 1064120996, wikipedia, wiki, book, books, library,

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