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The Craig telescope, a large telescope built in the 1850s, and while much larger than previous refracting telescopes
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The Craig telescope, a large telescope built in th...

NASA's Spitzer Space Telescope infrared view of the famous galaxy Messier 31, also known as Andromeda
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NASA's Spitzer Space Telescope infrared view of th...

Peter Dollond
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Peter Dollond

Symbolism and modern science
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Symbolism and modern science

Hevelius observing through refracting telescope
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Hevelius observing through refracting telescope

John Herschel, William Herschel's telescope
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John Herschel, William Herschel's telescope