ant radii , qui ut in quodlibct aliud corpus , ita quo¬ que in caput cometas impingant. Quia vero omnis lux terminata umbram poft fe facit , neceflario fequitur ut inaverfa cometas parte fiat lucis diminutio, umbraque relinquatur, quas non ut altera illa interior & nigrior in metam coeat, fed quas… … & progrediantur ufque in E , manifefte ab his termina¬ bitur conus umbrofus AEB, &: hasc quidem eft angu- ftiflima umbra : latiflima vero terminabitur a radiis in¬ didem quidem ortis, fed decuffatis, quales funt CB G & D A F. Hi formant &: includunt umbram x,ct\ct- S-cgi^j five conum inverfiim &;…
Light · Imprint 1662
Internet Archive · John Carter Brown Library · Public domain (published before 1931). Free to use for anything.
