Biancani, Giuseppe, Aristotelis loca mathematica, 1615

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              quorum cœleſtium motuum, ac ſimpliciſſimus, & valdè vniformis, ac regu­
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              laris, & propterea minimum habet tempus, ideſt tempus vnius diei natura­
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              lis, quo tempore totum primum mobile circulationem integram perficit.
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              </s>
              <s id="s.002480">per minimum tempus, poſſunt etiam intelligi partes diei, quæ ſunt horæ, &
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              horarum partes. </s>
              <s id="s.002481">conſiderant hunc motum in circulo æquàtoris, quia æqua­
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              tor motu primi mobilis, ſeu diurno vniformiter, ae maximè regulariter
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              mouetur: hac de cauſa hunc motum tanquam reliquorum menſuram, ac
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              normam meritò aſſumpſerunt.</s>
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              226</s>
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              <s id="s.002484">Ibidem
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              (Et in Muſica Dieſis primus ſenſibilis ſonus, quia minimum)
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              ideſt mi­
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              nimum interuallum, quod à Muſicis conſideretur, eſt menſura maiorum in­
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              teruallorum. </s>
              <s id="s.002485">ad tex. 38. primi Poſter. ſatis dictum eſt de Dieſi, quæ videas.</s>
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              227</s>
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              <s id="s.002488">Eodem tex. ſed cap. 3.
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              (Nox ſemper autem menſura numero vnum eſt, verum
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              aliquando plura, vt puta dieſes duæ, non quidem ſecundum auditum, ſed in ratio­
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              nibus, & voces plures, quibus menſuramus, & diameter duobus menſuratur, & la­
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              tus, & omnes magnitudines)
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              ita corrigenda eſt antiqua tranſlatio. </s>
              <s id="s.002489">quid dieſis
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              dictum ſit ad tex. 38. primi Poſter. quando autem ait
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              (Vt puta duæ dieſes)
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              ideſt duæ dieſes ſunt menſura vnius interualli muſici, qui tonus appellatur:
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              quæ quidem duæ dieſes non ſunt menſura ſenſibilis, quæ ſcilicet auribus per­
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              cipiatur, ſed tantummodò exiſtunt in numerorum proportionibus, ibi per
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              intellectum excogitatis, quando ait
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              (Et voces plures quibus menſuramus)
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              quando vtimur eodem interuallo, ſiue eadem voce ad cantus menſuram,
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              tunc ſunt plures menſuræ numero, quamuis vna tantum ſpecie. Ait
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              (Et dia­
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              meter duobus menſuratur)
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              v. g. duobus ſemidiametris: vel duobus pedibus.
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              </s>
              <s id="s.002490">& latus pariter quadrati, duobus. </s>
              <s id="s.002491">v. g. pedibus mensuratur; eode
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              ; mo­
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              do reliquæ omnes magnitudines poſſunt ab eadem menſura ſæpius replica­
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              ta menſurari.</s>
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              228</s>
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            <p type="main">
              <s id="s.002494">Eodem tex.
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              (Semper autem menſura eiuſdem generis eſt, magnitudinum nam­
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              que magnitudo, & ſecundum vnumquodque, longitudinis longitudo
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              ) ex his ratio
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              manifeſta apparet, cur Geometræ practici menſurent longitudines per ali­
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              quam longitudinem, vt puta per vlnam, digitum, vnciam, &c. </s>
              <s id="s.002495">ſuperficies
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              etiam per aliquam ſuperficiem, ſed quæ ſit quadrata, vt puta per vlnam qua­
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              dratam, palmum quadratum, &c. </s>
              <s id="s.002496">corpora
                <expan abbr="quoq;">quoque</expan>
              per corpus, quod tamen
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              ſit cubus, vt per vlnam cubicam, palmum cubicum, vnciam cubicam, &c.</s>
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              229</s>
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            <p type="main">
              <s id="s.002499">Tex. 11.
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              (Similia verò ſi cum non ſint eadem ſimpliciter, nec ſecundum ſubſtan­
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              tiam ſubiectam indifferentia ſecundum formam eadem ſit: quemadmodum quadra­
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              tum maius minori ſimile eſt, & lineæ inæquales, hæ enim ſimiles quidem, verŭm non
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              cædem ſimpliciter ſunt)
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              Prima definitio ſexti definit ſimiles figuras eas eſſe,
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              quæ ſunt æquiangulæ inuicem, & quæ habent latera proportionalia circa
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              æquales angulos. </s>
              <s id="s.002500">cum ergò quadratum maius, & minus ſint æquiangula,
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              quia habent omnes angulos rectos; & præterea habeant latera circa æqua­
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              les angulos proportionalia, ſicut enim latera maioris quadrati circa vnum
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              angulum rectum ſunt in proportione æqualitatis; ita
                <expan abbr="quoq;">quoque</expan>
              latera minoris
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              circa vnum angulum rectum ſunt illis proportionalia, cum ſint inuicem pa­
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              riter in proportione æqualitatis, erunt neceſſariò ſimilia hæc duo quadrata.
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              </s>
              <s id="s.002501">duæ etiam, exempli gratia, lineæ rectæ ſunt inuicem ſimiles, quamuis vna
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              ſit maior altera.</s>
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          </chap>
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    </archimedes>
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