The most important telescopes in history | New Scientist
100 years ago, 'telescope of huge size' launched UArizona's leading role in astronomy | University of Arizona News
Smith, Asa. “The Largest Telescopes in the World.” – Philadelphia Print Shop
Extremely large telescope - Wikipedia
List of largest optical reflecting telescopes - Wikipedia
The Worlds Biggest Telescopes Through History - From Galileo to Gran Telescopio Canarias - YouTube
A New Record Nears: The World's Largest Telescope Prepares For Completion
Great telescopes of the past | Astronomy.com
The most important telescopes in history | New Scientist
Extremely Large Telescope: The Biggest Eye on the Sky | Space
List of largest optical telescopes historically - Wikipedia
Extremely Large Telescope - Wikipedia
History of the telescope - Wikipedia
The Galileo Project | Science | Telescope
Great Equatorial Telescope History | Largest Telescopes in the UK
The 10 biggest telescopes on Earth | Space
7 famous telescopes that changed how we view the cosmos
A Giant New Telescope Is Taking Shape in Chile's Atacama Desert - The New York Times
History of the Telescope - Important Developments in Telescopes
New Webb Space Telescope Sees into the Universe's Deepest Past | Tufts Now
Southern African Large Telescope (SALT)
The Giant Magellan Telescope | Smithsonian Global
Engraving depicting the Craig telescope, a large telescope built in the 1850s, and while much larger than previous refracting telescopes. Dated 19th Century - SuperStock
The most important telescopes in history | New Scientist
