ajor erit bafis:maximus vero cujus&bafisma-xima qua majoferh comple&i oculus unico afpeftu non poteft. XI. Ak.s coni vel pyramidis optica vocatur illa linea,qua; per verticem,re- Axiseonfdteque bafis centrum tranfit. Sic in prafenti figura axis coni B A C eft linca A FG quia a vertice A… … X* Connectens eentra vifuum ea dicitur linea redta, qua? ab unius oculs Conn^Centro adalterius centrum du£ta concipkut. &cns cc&* Sic centra vifuum hie funt A & B, qua* vero ha?c connectit eir, recta ruurt/1A B, qua? etiam cum axibus Opticis AC^ BC in G eoncuriantibus trian*gulum…
Optics, Geometrical · Optical instruments
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