Monantheuil, Henri de, Aristotelis Mechanica, 1599

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              <p type="main">
                <s id="id.001564">
                  <pb xlink:href="035/01/138.jpg" pagenum="98"/>
                  <emph type="italics"/>
                enim quantum ventus exempli gratia dextrorſum propellit nauim:
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                tantum vi ſua gubernaculum cum nautis ſiniſtrorſum illam tor­
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                quet, ac rapit. </s>
                <s id="id.001565">Et ita neutra ex contrarijs viribus præualente, eò fer­
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                tur nauis, quò vult gubernator, etiamſi ventus minime ſecundus ſit.
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              <p type="main">
                <s id="id.001566">Quem
                  <expan abbr="ſecundũ">ſecundum</expan>
                .]
                  <emph type="italics"/>
                Ex hoc loco colligi poteſt cauſa, propter quam
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                quotidie naues obſeruantur non citra admirationem eodem vento in
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                contrarias partes nauigare, vt & Plinius etiam recitat. </s>
                <s id="id.001567">Iiſdem
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                ventis in contrarium nauigatur prolatis pedibus ( hi ſunt funes de
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                quibus ante ) vt noctu plerumque vela concurrant. </s>
                <s id="id.001568">Hoc autem vt
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                fiat geometricè demonſtratur.
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              <figure id="id.035.01.138.1.jpg" xlink:href="035/01/138/1.jpg" number="45"/>
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                <s id="id.001569">
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                Sint naues A tendens ad G, & B tendens ad H. </s>
                <s>ventus ex
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                C recta feratur ad D, tanquam ad centrum. </s>
                <s id="id.001570">Itaque vento pro­
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                pulſa nauis A, feretur in E, & B in F. </s>
                <s id="id.001571">Fiat igitur in naui per
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                temonem mutatum angulus G A K, qui ſit æqualis angulo G
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                A E: tum H B L æqualis angulo H B F.
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                </s>
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              <p type="main">
                <s id="id.001572">
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                Quia igitur nauis A à vento fertur in E, & per temonis muta­
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                tionem in K, feretur recta in G, & eadem ratione B in H.
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                </s>
                <s id="id.001573">Neuter enim cum ſuo impulſu præualeat, medium teneat A G ne­
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                ceſſe eſt, quod ſi ventus præualet, adiungitur remigum renixus, qui
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                ſi non ſatis ſit, vento cedendum, aut anchora iacienda. </s>
                <s id="id.001574">Tum autem
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                vix remiges reſiſtunt,
                  <expan abbr="cũ">cum</expan>
                nauis eſt in centro, vel radio perpendicula­
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                ri venti, quo in loco propter vim venti maiorem, & anguli per te­
                  <emph.end type="italics"/>
                </s>
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