Reference Article: Facts about the Yerkes Observatory and Yerkes Telescope. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Yerkes Observatory, ...
The original instrument to occupy the 25-foot diameter dome was the 10.5-inch Bausch refracting telescope (f/15.5) installed in the brand new observatory in 1953. Bausch & Lomb Company gave the ...
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