Bausch & Lomb Company gave the University of Colorado a 10.5-inch refractor, formerly the property ... objective glass was used to construct a solar telescope which was installed on the roof of the ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

McKim Observatory still houses many of its original instruments, including a 9.53 inch Clark Refractor telescope, a meridian transit telescope, and a gravity driven chronograph. Missing from the early ...

Note: The before price is $50 higher than Celestron's own but this is still a respectable saving on a beginner-friendly telescope. This refractor telescope is perfect for beginners hoping to look ...