Great refractor
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Great refractor refers to a large telescope with a lens, usually the largest refractor at an observatory with an equatorial mount. The preeminence and success of this style in observational astronomy
Treptow telescope (aka Himmelskanone) did away with a dome, and the telescope tube extends above the building in this image
Grande Lunette of Nice Observatory of 1886, with 76 cm aperture
James Lick telescope of 1888, with 91 cm aperture
An observer looking through the Markree's Cauchoix great telescope
Harvard College Observatory
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The Harvard College Observatory is an institution managing a complex of buildings and multiple instruments used for astronomical research by the Harvard University Department of Astronomy. It is locat
Great refractor
…otherwise notable. Other & Double Telescope Great Refractors Observatory Name Aperture(s) Year Lens Maker Berlin Observatory 24 cm 1835 Merz and Mahler Harvard College Observatory Harvard Great Refractor 38 cm 1847 Merz and Mahler Cambridge Observatory Northumberland Equatorial 30 cm 1835 Cauchoix Royal Greenwich Observatory…
Harvard College Observatory, circa 1899
Sketch of Harvard's Great Refractor telescope