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Gregory, Olinthus, 1774-1841. | Treatise on astronomy in which the elements of the science are deduced in a natural order from the appearances of the heavens to an observer on the earth; demonstrated on mathematical principles; and explained by an application to the various phenomena
VIAF ID: 314627880 ( Unknown Name Type )
Permalink: http://viaf.org/viaf/314627880
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Gregory, Olinthus,