"DE Mundi Sphæra Tractatus," in thirty-four chapters; with diagrams at the end. It professes to treat "de primo mobili," and "de armillari sphera," but is quite elementary. The theories of Copernicus and Tycho Brahe are referred to, and that of the l... 17th century
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Galilei, Galileo
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De Morgan, Augustus
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Epithet: mathematician British Library Archives and Manuscripts Catalogue : Person : Description : ark:/81055/vdc_100000000815.0x0002ec ...