Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/084.jpg" pagenum="76"/>
              ad lineam horizontalem excitetur perpendi­
                <lb/>
              cularis æqualis Tangenti gr. 1. (accepto ſe.
                <lb/>
              </s>
              <s>ſemiſſe numeri Canonis in partibus vnciæ
                <lb/>
              centeſimis) abſcindi poterit ex arcu gradus
                <lb/>
              vnus, cuius ſinus parum diſtabit à palmo
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              Romano architectonico. </s>
              <s>Quare facilè pote­
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              rit arcus in 60 minuta diuidi, & ex eodem
                <lb/>
              centro interuallo maiore deſcripto alio arcu,
                <lb/>
              poterunt duci lineæ tranſuerſæ, in quibus
                <lb/>
              minutorum partes ſexageſimæ diſtingui po­
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              terunt, prout moris eſt. </s>
              <s>Hoc inſtrumento pa­
                <lb/>
              rato angulum depreſsionis inſra horizontem,
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              ſeu potiùs infra lineam horizonti parallelam,
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              tam clarè poſſumus deprehendere, vt nihil
                <lb/>
              reliquum
                <gap/>
              quod deſideremus. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
                <emph.end type="italics"/>
              </s>
              <s> Nec omnibus nec vbique locorum
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              commodum erit tuum hoc inſtrumentum
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              fabricari, quod vel vni loco affixum ſit opor­
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              tet, vel ægerrimè transferri poſſit. </s>
              <s>Neſcio
                <lb/>
                <arrow.to.target n="note38"/>
                <lb/>
              quo fato adhuc penès me in ſemilacerâfffff pa­
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              gellâ durat ſchediaſma hoc, quo ante men­
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              ſes aliquot cuidam, qui ſe in Geometriæ pra­
                <lb/>
              xi exercens dolebat nullum hactenus à ſe ad­
                <lb/>
              hibitum inſtrumentum, cui citrà inſignis
                <lb/>
              erroris ſuſpicionem poſſet fidere, organum
                <lb/>
              propoſui, quod & facilè conſtruitur, & vix
                <lb/>
              vllum relinquit errandi periculum, prout ipſa
                <lb/>
              docuit experientia. </s>
              <s>In triangulum còag­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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