Great Paris Exhibition Telescope of 1900 information
Great Paris Exhibition Telescope of 1900
The Great Telescope, installed, from the ocular lens end
Location(s)
France
Coordinates
48°52′N2°17′E / 48.86°N 2.29°E / 48.86; 2.29
Telescope style
optical telescope destroyed building or structure
Focal length
57 m (187 ft 0 in)
Location of Great Paris Exhibition Telescope of 1900
Related media on Commons
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The Great Paris Exhibition Telescope of 1900, with an objective lens of 1.25 m (49 in) in diameter, was the largest refracting telescope ever constructed. It was built as the centerpiece of the Paris Universal Exhibition of 1900. Its construction was instigated in 1892 by François Deloncle (1856–1922), a member of the French Chambre des Députés. Since it was built for exhibit purposes within a large metropolis, and its design made it difficult to aim at astronomical objects, it was not suited for scientific use. When the year-long exposition was over, its builders were unable to sell it. It was ultimately broken up for scrap; the lenses are still stored away at the Paris Observatory.
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