Results 31 to 40 of about 4,391 (207)
Les signaux horaires français : la quête d’un système uniformisé
Cahiers François Viète, 2016 In the middle of the 19th century, six chronometric observatories of the French Navy provided a time service for the control of marine watches. A ministerial decree of 1858 required French ports to transmit a time signal at a fixed time to ships in ...
Olivier Sauzereau
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Cahiers François Viète, 2016 In the 19th century, knowledge of the time on board ships was essential for managing navigation. The “time-ball” system, initially installed in English ports from 1829, was gradually developed in various countries. One of the arguments for the foundation
Jérôme Noë (de La)
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Cahiers François Viète, 2017 This paper presents a tentative overview of colonial observatories in the Third Portuguese Empire (1825-1957). The main issue under focus is the problem of action from a distance, that is, the attempts to steer an imperial network of observation from ...
Pedro M.P. Raposo
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Jules Janssen : un refusé à l'ombre du soleil
Cahiers François Viète, 2015 Born into a middle-class family where art plays a major role, Jules Janssen was a self-taught scientist and had to work in the bank and then as a tutor while collecting university degrees.
Stéphane Le Gars
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Cahiers François Viète, 2006 Ernest Mouchez was a naval officer trained in the École navale, someone who developed early his expertise in astronomical observation and was held as a hero of the war of 1870-1871.
Guy Boistel
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L’astronomie à la niche. Sur la patrimonialisation de l’observatoire de Paris, 1900-1930
Cahiers François Viète, 2011 The patrimonialization of scientific institutions is a recent phenomenon. This article shows how in the 1920s the Paris Observatory became, volens nolens, a national monument in its own right.
Arnaud Saint-Martin
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Cahiers François Viète, 2016 The establishment of scientific education at the University of Coimbra was one of the most important features of the Pombal reform of the university (1772).
Fernando B. Figueiredo
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L’expédition à Nouméa : l’occasion d’une réflexion sur l’astronomie française
Cahiers François Viète, 2006 On the occasion of the 1874 Transit of Venus, the Paris Observatory sent the astronomer Charles André to Nouméa (New Caledonia) to observe the phenomenon.
Laetitia Maison
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Sciences, Eaux & Territoires, 2021 Face aux changements de climat, d'occupation des sols, d'usages, de mode de gestion, les socio-hydrosystèmes évoluent vers des trajectoires parfois en rupture avec celles du passé : les pénuries d'eau sur certains bassins et les tensions ou crises ...
V. BORRELL-ESTUPINA +20 more
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Cahiers François Viète, 2017 At the beginning of the 20th century, Portuguese astronomy was still firmly anchored in the past. Only astronometric research was pursued and Portuguese professional astronomers seldom published their results.
Vitor Bonifácio
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