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Drawing of the reflecting telescope used by Isaac Newton (1642 - 1727), British scientist Stock Photo - Alamy
Isaac Newton Telescope | Instituto de Astrofísica de Canarias • IAC
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Reconstruction of Isaac Newton's reflecting telescope given to Woolsthorpe Manor by the Royal Society Stock Photo - Alamy
Newton reflecting telescope hi-res stock photography and images - Alamy
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This is a replica of the first reflecting telescope made by Sir Isaac... News Photo - Getty Images