Observations made with the Northumberlan
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J. Challis
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Article
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1852
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John Wiley and Sons
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English
โ 139 KB
๐ 1 views
## N2. 788. ' )IISC~VBL~OIIS mide with the Noi\*thuinLerlaiid Eqiiaioreal , a t the Cambridge Observatory.