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The Home Page photo is the Lowell Observatory refractor with which Percival Lowell did his Mars studies. 24" aperture F16.1 made in 1896 by Clark. Per an article I found the lens was refigured by Lundin at the Clark company in 1905. According to a Hartmann test result I have seen in Bell's telescope book this is one of the best lenses to ever have left the Clark factory, after the rework I presume.

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Rich Wood - astronut1001 - Owner
Darren Hennig - doktorphoton - Moderator
David Sherfy - warpedcorp - Moderator
Stewart Waters - olympus_mons_observatory - Moderator
Doug Baikey - truckstopastronomer - moderator