Arago telescope (Lunette Arago) is a 38 cm (15 inch) aperture refracting telescope at Paris Observatory, installed in 1857. Francois Arago ordered this telescope from the telescope making firm Lebreours in 1839, and after a protracted development was completed by 1855.
Arago telescope (Lunette Arago) is a 38 cm (15 inch) aperture refracting telescope at Paris Observatory, installed in 1857. Francois Arago ordered this telescope from the telescope making firm Lebreours in 1839, and after a protracted development was completed by 1855.
Source: Wikipedia "Arago telescope" · CC BY-SA 4.0
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