French translation for "board of longitude"

board of longitude

Example Sentences:

	1.	In 1767, the Board of Longitude published a description of his work in The Principles of Mr. Harrison's time-keeper. Harrison fit publier son travail en 1767 dans un livre intitulé Principles of Mr Harrison's time-keeper.
	2.	This was not the transatlantic voyage demanded by the Board of Longitude, but the Board was impressed enough to grant Harrison £500 for further development. Il ne s’agissait pas du voyage transatlantique requis par le Board of Longitude, mais cela impressionne suffisamment le jury pour lui octroyer une bourse de 500 livres.
	3.	During this time he returned to Britain periodically, allowing him in 1784 and 1785 – at Hans Moritz von Brühl's request – to arrange trials of Thomas Mudge's first chronometer on his passage to and from Britain and in Newfoundland (borrowing an achromatic telescope from the Board of Longitude to ascertain Newfoundland's longitude). Il retourne en Angleterre périodiquement, lui permettant en 1784 et en 1785 — à la demande de l’astronome Hans Moritz von Brühl (en) — de tester le premier chronomètre de Thomas Mudge ; il emprunte à cette occasion un télescope achromatique au Bureau des longitudes pour vérifier la longitude de Terre-Neuve.
	4.	In 1759 John Bird, commissioned by the Board of Longitude, produced an instrument taking up both suggestions, a sextant of 20 inches radius with a brass frame and 1/3 the weight of the 16-inch-diameter (410 mm) reflecting circle, which served as a prototype of the marine sextant still used today. En 1759, l'astronome John Bird (en), commissionné par le Bureau des longitudes, élabore un instrument qui tient compte de ces suggestions, un sextant de 20 pouces avec un cadre de laiton, d’un tiers du poids de l’ancien cercle répétiteur de 410 mm de diamètre (16 pouces), un prototype du sextant toujours en usage dans la Marine au XXIe siècle.

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