Chatterton, E. Keble (Edward Keble), 1878-1944 · London : Sidgewick & Jackson, litd · leaf 212
THE PERIOD OF COLUMBUS and water was spherical, and the recorded experiencesof Ptolemy and all others have proved this by theeclipses of the moon, and other observations madefrom east to west, as well as by the elevation of thepole from north to south. But ... I have come toanother conclusion . . .…
Ships · Shipbuilding · Navigation
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