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Inside the long battle to maintain Mt. Wilson Observatory - Los Angeles Times
List of largest optical reflecting telescopes - Wikipedia
How Newton's Telescope Changed the World
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The most important telescopes in history | New Scientist
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World's Largest Reflecting Telescopes (Infographic) | Space
7 telescopes that changed how we view the cosmos - BBC Sky at Night Magazine
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26 Gregorian Reflecting Telescope Stock Photos, High-Res Pictures, and Images - Getty Images
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Hubble's Other Telescope And The Day It Rocked Our World : NPR
Wisconsin 101: Yerkes Telescope And The Birthplace Of Astrophysics - Wisconsin Life
Telescope - Reflecting, Astronomy, Optics | Britannica
Newton's Telescope - Telescope Nerd
Green Light for Largest-ever Telescope - Sky & Telescope - Sky & Telescope
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Reflecting telescope signed 'Gorg Adams' - Van Leest Antiques
Optical Telescope - How Does it Work?
Newton's Reflecting Telescope | Multiwavelength Astronomy
