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Backyard Stargazers: Giant Telescopes for Serious Hobbyists | WIRED
Image of a 24-inch reflector used in watching a comet in its first stages, at the Yerkes Observatory at Williams Bay… | History of astronomy, Observatory, Astronomy
24 Inch (.61 Meters) Telescope for University of Chicago, Yerkes Observatory - Boller and Chivens: A History "Where Precision is a Way of Life" - Boller and Chivens were makers of Telescopes and Precision Instruments