At the time of its founding in 1897 (and maybe it still is) Yerkes was the largest refractor in the world--a whopping one meter. Sadly, its storied history is now totally history, as Yerkes seems to be shutting down for good. Some want it to stay open, if not as a working site at least as a museum. Those who are interested in this issue, please contact former BRAS Treasurer Bob Sinitiere.
http://astronomy.com/news/2018/03/yerke ... -its-doors
https://physical-sciences.uchicago.edu/ ... es-updates
https://physicstoday.scitation.org/do/1 ... 706a/full/
https://www.wgtd.org/playlist/community ... ers-060218
Talk or ask questions about the hardware used in astronomy.
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