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Operum philosophicorum (1681)
Du Hamel, Jean-Baptiste, 1624-1706, Petit, Pierre, 1594-1677. Observationes aliquoteclipsium solis et lunae · Novimbergæ, : Sumptibus Johannis Ziegeri, Bibliopola, Litteris Christophori Gerhardi. · leaf 100
dem©nftrant,qu3s ab ortu in occafum fpatio fere menftruo , to- f^centru tum Solis ambitum abfolvunt» Circulus GPOG in fuperiori fchema- teSolemnobis exhibeat,cujus ecliptica fit GBH , maculje a pund^o G in C, uim in B , atque ita deinceps fpatio 37. dierum defcruntur* Circa piinOum B majores, ac… … medium Solem ducitiir, quemsdlptlcae nomine fignamus, tanquamrefla linea accipitur. Sed fi arcus4lquales 0|,& 1H fumantur, hisrefpondebunt rciJae lineae in Solis diametro prorfus in«quales B D ,& D H, quarum BD efl long^ major, Nihil Igitur mirum eft, fi ma-culae prope cenrrum B velocius…Pius XII Memorial Library · Philosophy · Science · Solar eclipses · Lunar eclipses
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
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