ecunda CZ), quxpriori immittitur,circa D ob-jcdivum fpecillum recondere, ut in figura 3. apparet. Similiter convenit prioremarundinem y^-^ ad Eaperireprolatitudine diametri apertura?,quamLens objedivarct^iuirit,intusque denigrare, vel tenui panno laneo nigroinveftirc, atque etiam an-nulis aUquot… … Jg.. A
Optics, Geometrical · Optical instruments
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