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The 20" refractor at Chamberlin Observatory in Denver is a Clark refractor, and should be included in the main article. It saw first light in 1894.

The 18.5-inch Dearborn Telescope seems to have had several homes in Chicago. See [1]. - Cuppysfriend 00:29, 9 March 2007 (UTC) reply

Why is there a link to Charles Sumner Tainter when he is not mentioned anywhere in the text? A similar link back to alvan Clark is on the Tainter Article which has no mention of Alvan clark!! — Preceding unsigned comment added by 72.158.93.200 ( talk) 20:24, 24 January 2013 (UTC) reply

— Preceding unsigned comment added by 71.123.195.40 ( talk) 05:46, 3 February 2013 (UTC) reply