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25 juillet 2021
- handle: 10670/1.35il8b
- hal: hal-03309986
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Frederic Soulu, « ALGIERS 1841: A FRENCH COLONY TO SERVE THE MAGNETIC CRUSADE? », HAL-SHS : histoire, philosophie et sociologie des sciences et des techniques, ID : 10670/1.35il8b
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François Arago (1786-1853) didn’t engaged Paris Observatory in the Magnetic Crusade. Nevertheless, he used it as a lever to create a new observatory in Algiers. This Maghrebian city was occupied by the French since 1830. In the following years, the French, mainly military, were there under the pressure of a local resistance.From 1841 to 1844, Georges Aimé (1810-1847), a civilian teacher in physics at the new Collège d’Alger, sent magnetic observations to the Royal Society. Instruments, data, publications were exchanged between Paris, London and Algiers. We will argue that the circulation of the knowledge obtained for the Magnetic Crusade got some unexpected results on the French colonial process as well.