Great Refractors
University of Toronto Observatory 15" Braschear Refractor circa 1930
U of T 6" Cooke refractor
Hume Cronyn Observatory with 10" refractor
Lick Observatory 36 inch.
Yerkes 40 inch
Greenwich Observatory 28 inch.
U.S. Naval Observatory 26 inch.
83 cm (32 in.) La Grande Lunette, The site from which E.M. Antoniadi created his Mars map.
