Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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              <s id="s.002219">
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              Quî enim fieri poteſt, inquies, vt Stella viſibilis fiat ſub
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              tantulo angulo, qui maior non ſit ſextante vnius ſe­
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              cundi? </s>
              <s id="s.002220">Sed vide, quæſo, vt non dicam eſſe eam Stellam
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              viſibilem ſub huiuſmodi angulo: verùm eam Stellam,
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              quæ viſibilis eſt ſub angulo ſemiſſis minuti, ſiue trigin­
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              ta
                <expan abbr="ſecundorũ">ſecundorum</expan>
              , comprehenſa nempe circumradiatione,
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              non habere
                <expan abbr="diametrũ">diametrum</expan>
              veram, circum-radiationeve ſpo­
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              liatam, ſextante ſecundi maiorem. </s>
              <s id="s.002221">At hoc ipſum quo­
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              que eſt, inquies, quod omni figmento eſt maius, tam
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              minutulum punctulum ita poſſe circum-radiare, vt fu­
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              turum aliàs planè inconſpicuum, effici viſibile poſſit.
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              </s>
              <s id="s.002222">Verùm, quid res ſit, vt percipi poſſit: eſto candelæ flam­
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              mula craſſitudinis ſemidigitalis; ea poterit nocte ob­
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              ſcura ſpectari à tribus paſſuum millibus. </s>
              <s id="s.002223">Fac verò an­
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              gulum, ſub quo viſibilis efficietur, non eſſe dimidio
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              minuti maiorem, ita vt flammula appareat, quaſi ma­
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              gnitudinis ſextæ Stella; quæſo te, quantus angulus erit,
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              qui ab ipſius flammulæ vera diametro ſubtendetur?
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              </s>
              <s id="s.002224">Profecto vix maior ſemiſſe ſecundi. </s>
              <s id="s.002225">Cùm in tribus
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              enim paſſuum millibus ſint trecenta, & ſexaginta ſe­
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              midigitorum millia: ſi, vt hic numerus ſe habet ad
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              vnum, ita centum millia, ſeu radium feceris ad aliud;
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              procreabuntur ſolum quinque decima octaua vnius,
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              ſeu tangens ſeptuncis vnius ſecundi. </s>
              <s id="s.002226">Et minüe, ſi ve­
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              lis, diſtantiam ad ipſum vſque dimidium, vt ſi putes
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              eam flammulam videri dumtaxat à ſeſqui milliari; tum
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              vera eius diameter angulum ſubtendet ſecundo vix
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              vno maiorem. </s>
              <s id="s.002227">An credidiſſes punctulum, quale eſt
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              vnicum ſecundum, aut ſecundi etiam dimidium, ita
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              poſſe circum radiare, vt videri ſub angulo triginta </s>
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