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Telescope at the Paris Obervatory

Paris telescope. Newtonian reflecting telescope installed at the Paris Observatory, France, during the 1860s. It had a 1.2 meter (48 inch) diameter mirror. This was the first large telescope mirror to be made of glass coated with silver deposited chemically in a method devised by the German chemist Justus von Liebig. The mirror was much better than those made of polished copper alloy, but the telescope's poor mounting made it nearly useless.
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Titel:
Telescope at the Paris Obervatory
Untertitel: Siehe automatische Übersetzung
Paris telescope. Newtonian reflecting telescope installed at the Paris Observatory, France, during the 1860s. It had a 1.2 meter (48 inch) diameter mirror. This was the first large telescope mirror to be made of glass coated with silver deposited chemically in a method devised by the German chemist Justus von Liebig. The mirror was much better than those made of polished copper alloy, but the telescope's poor mounting made it nearly useless.
Bildnachweis:
Album / Science Source / New York Public Library
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Model: Nein - Eigentum: Nein
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Bildgröße:
3274 x 3554 px | 33.3 MB
Druckgröße:
27.7 x 30.1 cm | 10.9 x 11.8 in (300 dpi)
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