 | Gad Freudenthal - 1992 - 454 páginas
...the discovery of the instrument remained unknown for Latin readers . .during 21 days until a cleric, brother Peter of Alexandria, of the order of hermit brothers of St. Augustine, arrived almost like the son of the man..." ("sed sic permansit occultum 21 diebus donec uenit quasi... | |
 | J. L. Mancha - 2006 - 364 páginas
...the discovery of the instrument ramained unknown for Latin readers "during 21 days until a religious, brother Peter of Alexandria, of the order of hermit brothers of St. Augustine, arrived almost like the son of the man ..." ("sed sic permansit occultum 21 diebus donee uenit quasi... | |
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Staff was motivated, according to Levi, by the discrepancies between the magnitudes of two eclipses (26 June and 9 July 1321) derived from Ptolemy's models and his own observations. Levi adds that the discovery of the instrument... 