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010562

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).

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010562.jpg
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Irish Photo Archive
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3173x2184 / 2.2MB
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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).