Antonii Deusingii ... De vero systemate mundi dissertatio mathematica : quâ Copernici systema mundi reformatur : sublatis interim infinitis penè orbibus, quibus in systemate Ptolemaico humana mens distrahitur (1643)
14 DisSERTATIO DE VERO Eccenttici GK, dif- … equalis femidiame- troEpicycli,exhypothef itemq; latus O G zquale lateri EY, utpote zqualium circulorum radii , latus veró G Y commu- ne: quare anguli qui equalibus lateribus fubtenduntur inter fe equales funt, ( perprop. 8. lib. r. Euclid.) Angulus igitur YEG equalis angulo GO Y, hoc eft; angulus…
Astronomy -- Early works to 1800
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