Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <pb pagenum="258" xlink:href="005/01/266.jpg"/>
            <p id="N17937" type="main">
              <s id="N17939">Sed contra etiam eſt, quia ſi qualitas prædicta' impetus
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              impreſsi deficeret per meram deſitionem ad remotionem
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              impellentis, vel proijcientis, ſtatim atque proiectum elabi­
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              tur è manu proijcientis, inciperet ipſa impetus remiſsio,
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                <expan abbr="creſceretq.">creſceretque</expan>
              vſque ad totalem deſitionem. </s>
              <s id="N17947">At non ita con­
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              tingit, cum potius proiecta è manibus proijcientium egreſ­
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              ſa, tardius moueantur à principio, quàm in progreſſu vſque
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              ad certum terminum, ad quem virtus impulſiua valet per­
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              tingere,
                <expan abbr="validiusq.">validiusque</expan>
              propterea feriant in proportionata qua­
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              dam diſtantia, quàm prope nimis ipſum proijciens: Ergo
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              indicium eſt ipſam impetus qualitatem, non deficere, nec
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              remitti ſtatim ad defectum cauſæ conſeruantis, & impel­
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              lentis, ſed potius augeri per aliquod tempus, deinde paula­
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              tim remitti.ac tandem diſcedere ad expulſionem ortam ex
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              qualitate contraria. </s>
            </p>
            <p id="N17962" type="main">
              <s id="N17964">Verùm huic obiectioni facilè occurritur dicendo, impe­
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              tum poſt remotionem impellentis, nullum ex ſe incremen­
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              tum poſſe ſuſcipere, ſiue habeat, ſiue non habeat qualitatem
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              contrariam; cauſamque tarditatis, ſeu minoris velocitatis
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              prædictæ in principio, eſſe maiorem reſiſtentiam, quam ſub
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              ipſo initio proiectum reperit in intermedio. </s>
              <s id="N17971">Nam aer, verbi
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              gratia, vel aqua quieſcens, cum primo à proiecto impellitur
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              magis valet reſiſtere, quàm cum paulatim dimota per no­
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              uum ſemper impulſum vlterius abire cogitur, vt locum re­
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              linquat ipſi proiecto. </s>
              <s id="N1797C">Impetus enim in eodem aere, vel
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              aqua impreſſus creſcit ſemper cum motu, quia proiectum
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              dum fertur ſemper impellit, ac impellendo ſucceſsiuè in­
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              tendit effectum: magis autem intenſus impetus in ipſo me­
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              dio, magis ac magis difſfunditur in vlteriores partes eiuſdem
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              medij, quod propterea velocius diſcedit, ac locum, quem
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              habet relinquendo, minus reſiſtit. </s>
              <s id="N1798B">Quod idem in cauſa
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              eſt ſaltem ex parte, vt motus grauium è ſuperno aliquo lo­
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              co
                <expan abbr="decidẽtium">decidentium</expan>
              velocior ſit in progreſſu, quàm in principio,
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              vt ſupra innuimus. </s>
              <s id="N17998">Etenim inter motum grauium natura­
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              lem, quo illa tendunt deorſum, ac motum violentum, quo
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              tendunt ſurſum, vel ad latera, hoc ſolum intereſt in propoſi-</s>
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          </chap>
        </body>
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