Régler l'optique d'un télescope Newton : la collimation
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Replica of Newton's first reflecting telescope" by The Royal Society of London
Télescope de Newton — Wikipédia
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Isaac Newton's Reflecting Telescope by Power And Syred, Nasa/science Photo Library
TELESCOPE NEWTON 355 mm astrographe réf 3124 - Nature Ouest
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111 photos et images de Isaac Newton Telescope - Getty Images
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Le télescope de Newton
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Isaac Newton (1642-1727) | Astrofiles
