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Newton’s drawing of the reflecting telescope

A drawing and a replica of the small reflecting telescope that catapulted
Newton to European fame. Invented in 1668, the telescope measured
a mere seven inches in length, with an aperture slightly larger than an
inch. - Drawing: Cambridge University Library, MS ADD 3970, fols.
591r-592v; Replica (wood and paper): Courtesy of Adler Planetarium
& Astronomy Museum, Chicago, Illinois.

A replica of Newton’s telescope
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