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Hipparchus

Hipparchus.jpg Map of the MoonThumbnailsHadley's SextantMap of the MoonThumbnailsHadley's SextantMap of the MoonThumbnailsHadley's SextantMap of the MoonThumbnailsHadley's SextantMap of the MoonThumbnailsHadley's SextantMap of the MoonThumbnailsHadley's Sextant