[■•) FUNDAMENTUM I. PhYSICUM Seu NaTURALE» FIGURA XY. … Colorcs iticcdit & fi quam faeditatem inducant ,illam propinqworisradii recipiunt,atquiad mcdietatcm prifmatis fua conftipatione venire prohibent \ hinc ille radius mi-nusfaedatur,folummodomojdicaobfcuritate a diaphani opacis pgrticulis in traniltucontiguis inficitur, adeoque fola flavedine…
Optics, Geometrical · Optical instruments
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