The Net Advance of Physics:
History and Philosophy: The Telescope

• Wikipedia (good external links)
• Antique Telescopes [Antiquetelescopes.org]
• The Telescope The Galileo Project [Rice University]
• A History of the Telescope, Wayne Hardman, 2011. [Ars Technica]
• The Developmental History of the Telescope (slideshows) [Antique Spectacles and Other Vision Aids]
• Time Line: A History of Telescopes [National Geographic]
• Four Hundred Years of the Telescope (video; also available in Spanish) [PBS]
• The History of the Telescope and the Binocular, compiled by Peter Abrahams, 2008. (set of links) [Europa.com]
• Telescope History (high school level) [NASA]
• Telescopes from the Ground Up (for educators and students) Amazing Space [Formal Education Group of the Space Telescope's Science Institute]

See also Astronomy and Telescopes at the Net Advance of Physics