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The Geometrical Construction of Solar and Lunar Eclipses

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The Geometrical Construction of Solar and Lunar Eclipses.jpg A Tubeless, or 'Aerial' TelescopeThumbnailsZenith TelescopeA Tubeless, or 'Aerial' TelescopeThumbnailsZenith TelescopeA Tubeless, or 'Aerial' TelescopeThumbnailsZenith TelescopeA Tubeless, or 'Aerial' TelescopeThumbnailsZenith TelescopeA Tubeless, or 'Aerial' TelescopeThumbnailsZenith Telescope

The Geometrical Construction of Solar and Lunar Eclipses