mconvexicacis fuericulcrapundumH^focusvirtualis AI^»c!mcricmcerH&F, quia perpendiculans a cencro convexicacis per pundum 1 °™-du£ta procederet mcer N & L , ac confequenccr radius fecundo refra^aus na^0«^m dcberec ad parcem G magis removeri, unde produ6lus cum axe ciciusconcurrerec, nempe… … L
Optics, Geometrical · Optical instruments
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