The equatorial coude refracting telescope, Paris

The equatorial coude refracting telescope, Paris Observatory, France - aperture 7.5cm. The tube is bent and light fed to the observer by two mirrors, one in front of the telescope and the other at the elbow'. Engraving from A Handbook of Descriptive Astronomy by George F Chambers (Oxford, 1890)

7.5cm Aperture Bent Chambers Descriptive Elbow Equatorial Handbook Mirrors Observatory Observer Refracting Telescope

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