Ars magna lvcis et vmbrae, in decem libros digesta. Qvibvs admirandae lvcis et vmbrae in mundo, atque adeò vniuersa natura, vires effectusq, vti noua, ita varia nouorum reconditiorumq, speciminum exhibitione, ad varios mortalium vsus, panduntur (1646)
ffiolem, nondico femel ait bis, fed centies fexagies fepties comprehendit? Sed rationi credendum eft. ^ Problema VIII. Aliter diftantiam ^aT erra ime Hilare per •vmbram ) eiiu parallaxin . Sit circulus ])DYZX , terra ad Jf fenfibilis AP , fitque horizon RO phyficus, fiue fenfibilis , XY… … eelipfis Lunaris fit, obferuetur E Luna in meridiano DYexifientis in plano XY exadtiffime bbratoGAV arrgufas.vmbras,quem radius lucis, fiue vmbra cura gno¬ mone CAjh phyfico pun&o facit, quem requalem angulo BAE diligentiffime fer- ua - Hoc pera&o producatur A V linea lucis in E , & vbi. circulum…
Ophtalmologie
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